diff --git a/server/controllers/processes/visits.js b/server/controllers/processes/visits.js
index 703491c6..7f98dbee 100644
--- a/server/controllers/processes/visits.js
+++ b/server/controllers/processes/visits.js
@@ -543,6 +543,75 @@ router.get('/:id', async (req, res) => {
     res.json(data[0])
 })
 
+router.get('/seminars/:personId', async (req, res) => {
+    if (!req.user) {
+        return res.status(401).json({ result: "Unauthorized" });
+    }
+
+    const { startDate, endDate } = req.query;
+    if (!startDate || !endDate) {
+        return res.status(400).json({ error: "startDate and endDate are required" });
+    }
+
+    const seminars = await EventSeminar.aggregate([
+        {
+            $match: {
+                speakers: new ObjectId(req.params.personId),
+                $expr: {
+                    $and: [
+                        {
+                            $or: [
+                                { $eq: [new Date(endDate), null] },
+                                { $eq: ["$startDatetime", null] },
+                                { $lte: ["$startDatetime", new Date(endDate)] }
+                            ]
+                        },
+                        {
+                            $or: [
+                                { $eq: [new Date(startDate), null] },
+                                { $eq: ["$startDatetime", null] },
+                                { $gte: ["$startDatetime", new Date(startDate)] }
+                            ]
+                        }
+                    ]
+                }
+            }
+        },
+        {$lookup: {
+            from: 'people',
+            localField: 'speakers',
+            foreignField: '_id',
+            as: 'speakers',
+            pipeline: [
+                {$project: {
+                    _id: 1,
+                    firstName: 1,
+                    lastName: 1,
+                    affiliations: 1,
+                    email: 1,
+                }},
+                {
+                    $lookup: {
+                        from: 'institutions',
+                        localField: 'affiliations',
+                        foreignField: '_id',
+                        as: 'affiliations',
+                        pipeline: [
+                            {$project: {
+                                _id: 1,
+                                name: 1,
+                            }}
+                        ]
+                    }
+                }
+            ]
+        }},
+        {$sort: {"startDatetime": 1}}
+    ]);
+
+    res.json({ data: seminars });
+});
+
 // TODO: should be "post" instead of "put"
 router.put('/', async (req, res) => {
     const payload = {...req.body}
diff --git a/src/pages/Profile.js b/src/pages/Profile.js
index 51cfdffc..5e8c5b63 100644
--- a/src/pages/Profile.js
+++ b/src/pages/Profile.js
@@ -118,7 +118,7 @@ export default function Profile() {
                         about_en: "informazioni opzionali (in inglese) da pubblicare nella propria scheda personale",
                     }).map(([field, label]) => 
                         field === "arxiv_orcid" 
-                        ? <div key={field} className="d-flex align-items-center">
+                        ? <div key={field} className="d-flex align-items-top">
                             <FieldOutput label={label} field={field} Model={Person} obj={person} editable={getPeople.data.editable_fields.includes(field)} />
                             <OverlayTrigger placement="left" overlay={<Tooltip id="arxiv-tooltip">
                                 selezionare sì se il proprio profilo arXiv è stato associato al proprio profilo ORCID
diff --git a/src/processes/Visit.js b/src/processes/Visit.js
index 4c819475..504207b4 100644
--- a/src/processes/Visit.js
+++ b/src/processes/Visit.js
@@ -42,8 +42,8 @@ function VisitForm({visit, variant}) {
     const queryClient = useQueryClient()
     const [activeSection, setActiveSection] = useState(visit ? 'data' : '')
     const [seminar, setSeminar] = useState(null)
+    const [existingSeminars, setExistingSeminars] = useState(() => data.seminars || []);
     const user = useEngine().user
-    const seminars = visit.seminars
     const roomAssignments = visit.roomAssignments
     const canCreateSeminar = user.hasProcessPermission('/process/seminars')
     const addMessage = useEngine().addMessage
@@ -53,12 +53,13 @@ function VisitForm({visit, variant}) {
             ? "Modifica visita inserita"
             : "Inserimento nuova visita"}</h1>
         <VisitDetailsBlock
-            data={data} 
+            data={data}
             setData={setData} 
             active={activeSection==='data'} 
             done={() => {save();nextStep()}} 
             edit={() => setActiveSection('data')}
             variant={variant}
+            fetchSeminars={fetchSeminars}
         />
         { (data.requireRoom || roomAssignments?.length>0)  &&
             <RoomAssignments 
@@ -72,22 +73,9 @@ function VisitForm({visit, variant}) {
                 onChange={save /* save visit to force notification */} 
             />
         }
-        {   // mostra i seminari già inseriti
-            seminars &&
-            seminars.map(seminar => <div key={seminar._id}>
-            <Seminar seminar={seminar} 
-                active={activeSection===seminar._id} 
-                change={() => setActiveSection(seminar._id)}
-                done={() => {
-                    setActiveSection('')
-                    save() // save visit to force notification
-                }}
-                variant={variant}
-                />
-        </div>)}
         {   // mostra il pulsante per inserire un nuovo seminario
-            (!seminars || seminars.length === 0) && data.requireSeminar && !seminar && canCreateSeminar &&
-            <Card className="shadow">
+            data.requireSeminar && !seminar && canCreateSeminar &&
+            <Card className="shadow mb-3">
                 <Card.Header>
                 <div className="d-flex d-row justify-content-between align-items-center">
                         <div>
@@ -101,8 +89,22 @@ function VisitForm({visit, variant}) {
                     </div>  
                 </Card.Header>
                 <Card.Body>
-                    { errorVisit() && <div className="text-danger">{errorVisit()}</div>}
-                    <i>nessun seminario inserito nel periodo della visita</i>
+                    { errorVisit() ? (
+                        <div className="text-danger">{errorVisit()}</div>
+                    ) : (
+                        <>
+                            { existingSeminars.length > 0 ? (
+                                <div className="text-warning">
+                                    { existingSeminars.length === 1 
+                                        ? "C'è già un seminario inserito nel periodo della visita. Per inserire comunque un nuovo seminario premere il pulsante 'Inserisci seminario'"
+                                        : "Ci sono già seminari inseriti nel periodo della visita. Per inserire comunque un nuovo seminario premere il pulsante 'Inserisci seminario'"
+                                    }
+                                </div>
+                            ) : (
+                                <i>Per inserire un seminario per il visitatore premere il pulsante 'Inserisci seminario'</i>
+                            )}
+                        </>
+                    )}
                 </Card.Body>
             </Card>
         }
@@ -113,11 +115,44 @@ function VisitForm({visit, variant}) {
                 done={() => {
                     setActiveSection('');
                     setSeminar(null);
-                    save() // save visit to force notification
+                    save(); // save visit to force notification
+                    fetchSeminars(data);
                 }}
                 variant={variant}
                 />
         }
+        {   // mostra i seminari già inseriti
+            data.requireSeminar && data.startDate && data.endDate && data.person?._id && 
+            <Card className="shadow mb-3">
+                <Card.Header>Seminari già inseriti</Card.Header>
+                <Card.Body>
+                    {(() => {
+                        return existingSeminars.length ? (
+                            <>
+                                <div className="mb-2">
+                                    <i>I seguenti seminari sono stati già inseriti per il visitatore nel periodo selezionato:</i>
+                                </div>
+                                {existingSeminars.map(seminar => (
+                                    <div key={seminar._id} className="mb-2">
+                                        <Seminar seminar={seminar} 
+                                        active={activeSection===seminar._id} 
+                                        change={() => setActiveSection(seminar._id)}
+                                        done={() => {
+                                            setActiveSection('')
+                                            save() // save visit to force notification
+                                        }}
+                                        variant={variant}
+                                        />
+                                    </div>
+                                ))}
+                            </>
+                        ) : (
+                            <i>Nessun seminario trovato nel periodo selezionato</i>
+                        )
+                    })()}
+                </Card.Body>
+            </Card>
+        }
         <Button className="mt-3" onClick={completed}>
             Indietro
         </Button>
@@ -143,6 +178,19 @@ function VisitForm({visit, variant}) {
         setActiveSection(section)
         console.log(`nextStep: ${section}`)
     }
+
+    function fetchSeminars(newData) {
+        const queryParams = {
+            startDate: new Date(newData.startDate).toISOString().split('T')[0],
+            endDate: new Date(newData.endDate).toISOString().split('T')[0]
+        }
+        
+        api.get(`/api/v0/process/visits/seminars/${data.person._id}`, queryParams).then(res => {
+            setExistingSeminars(res.data || [])
+        }).catch(err => {
+            addMessage(`Error fetching seminars: ${err}`)
+        })
+    }
     
     async function save() {
         if (data.person.affiliations && !data.affiliations?.length) {
@@ -169,7 +217,7 @@ function VisitForm({visit, variant}) {
     }
 }
 
-function VisitDetailsBlock({data, setData, active, done, edit, variant}) {
+function VisitDetailsBlock({data, setData, active, done, edit, variant, fetchSeminars}) {
     const user = useEngine().user
     const isAdmin = user.roles && user.roles.includes('admin')
 
@@ -186,7 +234,7 @@ function VisitDetailsBlock({data, setData, active, done, edit, variant}) {
         </Card.Header>
         <Card.Body>
         { active 
-        ? <ActiveVisitDetailsBlock data={data} setData={setData} done={done} variant={variant}/>
+        ? <ActiveVisitDetailsBlock data={data} setData={setData} done={done} variant={variant} fetchSeminars={fetchSeminars}/>
         : <>
             visitatore: <b>{data.person.firstName} {data.person.lastName} ({data.person.affiliations.map(a=>a.name).join(', ')}) {data.person.email}</b>
             {data.referencePeople.map(person => <div key={person._id}>referente: <b>{person.firstName} {person.lastName}</b> &lt;<a href={`mailto:${person.email}`}>{person.email}</a>&gt;<br/></div>)}
@@ -211,7 +259,7 @@ function VisitDetailsBlock({data, setData, active, done, edit, variant}) {
     </Card>
 }
 
-function ActiveVisitDetailsBlock({data, setData, done, variant}) {
+function ActiveVisitDetailsBlock({data, setData, done, variant, fetchSeminars}) {
     return <>
         <Form autoComplete="off">
             <InputRow label="Visitatore" className="my-3">
@@ -241,7 +289,7 @@ function ActiveVisitDetailsBlock({data, setData, done, variant}) {
                 <DateInput value={data.startDate} setValue={startDateSetter}/>
             </InputRow>
             <InputRow label="Data partenza" className="my-3">
-                <DateInput value={data.endDate} setValue={setter(setData, "endDate")} defaultDate={data.startDate}/>
+            <DateInput value={data.endDate} setValue={endDateSetter} defaultDate={data.startDate}/>
             </InputRow>    
             <InputRow label="SSD" className="my-3">
                 <SelectInput value={data.SSD} setValue={setter(setData, "SSD")} options={["MAT/01", "MAT/02", "MAT/03", "MAT/04", "MAT/05", "MAT/06", "MAT/07", "MAT/08", "MAT/09",""]}/>
@@ -289,10 +337,21 @@ function ActiveVisitDetailsBlock({data, setData, done, variant}) {
             <InputRow className="my-3" label="Seminario">
                 <div className="d-flex align-items-center">
                     <OverlayTrigger placement="left" overlay={<Tooltip id="grants-tooltip">
-                        Se un seminario per lo speaker è stato già inserito apparirà solo dopo aver salvato la visita</Tooltip>}>
+                        Se un seminario per lo speaker nel periodo della visita è stato già inserito apparirà sotto</Tooltip>}>
                         <Button size="sm" style={{ marginRight: '10px' }}>?</Button>
                     </OverlayTrigger>  
-                    <input type="checkbox" checked={data.requireSeminar} onChange={e => setData({...data, requireSeminar: e.target.checked})} style={{marginRight: '5px'}}/>
+                    <input 
+                        type="checkbox" 
+                        checked={data.requireSeminar} 
+                        onChange={e => {
+                            const newData = {...data, requireSeminar: e.target.checked}
+                            setData(newData)
+                            if (e.target.checked && newData.startDate && newData.endDate && newData.person?._id) {
+                                fetchSeminars(newData)
+                            }
+                        }} 
+                        style={{marginRight: '5px'}}
+                    />
                     {} È previsto un seminario
                 </div>
             </InputRow>
@@ -308,14 +367,31 @@ function ActiveVisitDetailsBlock({data, setData, done, variant}) {
             </InputRow>
         </Form>
         <div className="d-flex flex-row justify-content-end">
-            <Button className="text-end" onClick={done} disabled={error()}>Salva</Button>       </div>
+            <Button className="text-end" onClick={done} disabled={error()}>Salva</Button>       
+        </div>
         { error() && <div className="text-danger">{error()}</div>}
     </>
 
+    function handleDataChange(newData) {
+        setData(newData)
+        if (newData.startDate && newData.endDate && newData.person?._id && newData.requireSeminar) {            
+            fetchSeminars(newData)
+        }
+    }
+
     function startDateSetter(value) {
-        setData(data => {
-            const endDate = data.endDate || value
-            return ({...data, startDate: value, endDate})
+        const endDate = data.endDate || value
+        handleDataChange({
+            ...data,
+            startDate: value,
+            endDate
+        })
+    }
+
+    function endDateSetter(value) {
+        handleDataChange({
+            ...data,
+            endDate: value
         })
     }
 
diff --git a/src/processes/Visits.js b/src/processes/Visits.js
index 6927a03d..fde0da5d 100644
--- a/src/processes/Visits.js
+++ b/src/processes/Visits.js
@@ -39,31 +39,52 @@ export default function ProcessVisits({variant}) {
     </>
 }
 
-function Rooms({variant, id}) {
+function RoomsAndSeminars({variant, id}) {
     const path = `process/${variant||''}visits/${id}`
     const query = useQuery(path.split('/'))
+
     if (query.isLoading) return <Loading />
     if (query.isError) return <div>Errore caricamento: {query.error.response.data?.error || `${query.error}`}</div>
     if (!query.data) return <div>No data available</div>;
 
     let visit = {...query.data}
 
-    if (! visit.requireRoom) return <div>
-        <strong>Ufficio</strong>: non richiesto
-    </div>
-    else if (visit.roomAssignments?.length > 0) return visit.roomAssignments.map(r => 
-        <div key={r._id}>
-            <strong>Ufficio</strong>: 
-            edificio {r.room.building}, {r.room.floor === '0' ? 'piano terra' : 
-            r.room.floor === '1' ? 'primo piano' : 
-            r.room.floor === '2' ? 'secondo piano' : 
-            'piano ' + r.room.floor}, 
-            ufficio {r.room.number},
-            dal {myDateFormat(r.startDate)} al {myDateFormat(r.endDate)}
-        </div>)
-    else return <div>
-        <strong>Ufficio</strong>: da assegnare
-    </div>
+    let roomAssignments;
+    if (visit.requireRoom) {
+        if (visit.roomAssignments?.length > 0) {
+            roomAssignments = visit.roomAssignments.map(r => (
+                <div key={r._id}>
+                    <strong>Ufficio</strong>: 
+                    edificio {r.room.building}, {r.room.floor === '0' ? 'piano terra' : 
+                    r.room.floor === '1' ? 'primo piano' : 
+                    r.room.floor === '2' ? 'secondo piano' : 
+                    'piano ' + r.room.floor}, 
+                    ufficio {r.room.number},
+                    dal {myDateFormat(r.startDate)} al {myDateFormat(r.endDate)}
+                </div>
+            ));
+        } else {
+            roomAssignments = <div><strong>Ufficio</strong>: da assegnare</div>;
+        }
+    } else {
+        roomAssignments = <div><strong>Ufficio</strong>: non richiesto</div>;
+    }
+
+    let seminars;
+    if (visit.requireSeminar && visit.seminars && visit.seminars.length > 0 ) {
+        seminars = (
+        <div>
+            <strong>{visit.seminars.length > 1 ? "Seminari" : "Seminario"}</strong>: {visit.seminars.map(seminar => seminar.title).join(", ")}
+        </div>
+        )
+    }
+
+    return (
+        <div>
+            {roomAssignments}
+            {seminars}
+        </div>
+    )
 }
 
 function VisitList({variant}) {
@@ -95,16 +116,16 @@ function VisitList({variant}) {
                         {/*JSON.stringify(visit)*/}
                         <strong>Visitatore</strong>: {visit.person.firstName} { visit.person.lastName } ({visit.affiliations.map(x => x.name).join(", ")})<br />
                         {variant === '' && visit.referencePeople.length > 0 && (
-                                <>
-                                    <strong>{visit.referencePeople.length > 1 ? "Referenti" : "Referente"}</strong>: { 
-                                    visit.referencePeople.map(p => (
-                                        `${p.firstName} ${p.lastName}`
-                                    )).join(", ")}
-                                    <br />
-                                </>
-                            )}
+                            <>
+                                <strong>{visit.referencePeople.length > 1 ? "Referenti" : "Referente"}</strong>: { 
+                                visit.referencePeople.map(p => (
+                                    `${p.firstName} ${p.lastName}`
+                                )).join(", ")}
+                                <br />
+                            </>
+                        )}
                         <strong>Periodo</strong>: {myDateFormat(visit.startDate)} – {myDateFormat(visit.endDate)}<br />
-                        <Rooms variant={variant} id={visit._id} />
+                        <RoomsAndSeminars variant={variant} id={visit._id} />
                         <div className="mt-2 d-flex flex-row justify-content-end">                        
                             {
                             <ConfirmDeleteButton className="ms-2 btn btn-danger" objectName={`la visita di ${visit.person.firstName} ${visit.person.lastName}`} onConfirm={() => removeVisit(visit._id)}>