diff --git a/src/main/java/org/olat/core/_i18n/LocalStrings_de.properties b/src/main/java/org/olat/core/_i18n/LocalStrings_de.properties
index d6c3410951afa46db373549dd4d4f3cca1539272..c3a77774933c33868a80cc7e38b245963b45fdf6 100644
--- a/src/main/java/org/olat/core/_i18n/LocalStrings_de.properties
+++ b/src/main/java/org/olat/core/_i18n/LocalStrings_de.properties
@@ -110,6 +110,7 @@ toolbox.tools=Werkzeuge
 top=nach oben
 top.alt=Zum Anfang der Seite
 user.guest=Gast
+user.fullname.separator=;
 warn.beta.feature=Achtung\! Diese Funktion befindet sich in einer Versuchsphase. Bitte beachten Sie, dass Fehler auftreten k\u00F6nnen wenn diese Funktion verwendet wird. 
 warn.header=Achtung
 warn.notdispatched=Diese Seite wurde ver\u00E4ndert. Bitte beachten Sie allf\u00E4llige Meldungen.
diff --git a/src/main/java/org/olat/core/_i18n/LocalStrings_en.properties b/src/main/java/org/olat/core/_i18n/LocalStrings_en.properties
index c676e293bfcc7fd57d2749f7cb6ea9c3ac3e4b3a..5cb8f61cc9f2a346624ae884d6f3ccd4f29407a4 100644
--- a/src/main/java/org/olat/core/_i18n/LocalStrings_en.properties
+++ b/src/main/java/org/olat/core/_i18n/LocalStrings_en.properties
@@ -110,6 +110,7 @@ toolbox.tools=Tools
 top=Go to top
 top.alt=Go to top of page
 user.guest=Guest
+user.fullname.separator=/
 warn.beta.feature=Attention\! This is a beta feature. Be aware that using this feature might result in unexpected behavior.
 warn.header=Warning
 warn.notdispatched=This page has been modified. Please consider any new messages.
diff --git a/src/main/java/org/olat/core/_i18n/LocalStrings_fr.properties b/src/main/java/org/olat/core/_i18n/LocalStrings_fr.properties
index c57a60c8dcba72156d181e11b671379768fb8d8a..e5b77dc24032f9b9ccd03ff4aad47c28f862320e 100644
--- a/src/main/java/org/olat/core/_i18n/LocalStrings_fr.properties
+++ b/src/main/java/org/olat/core/_i18n/LocalStrings_fr.properties
@@ -110,6 +110,7 @@ toolbox.tools=Outils
 top=vers le haut
 top.alt=Vers le d\u00E9but de la page
 user.guest=invit\u00E9
+user.fullname.separator=/
 warn.beta.feature=Attention\! Cette fonction se trouve dans la phase d'essai. Veuillez noter que des erreurs peuvent appara\u00EEtre si cette fonction est utilis\u00E9e.
 warn.header=Attention
 warn.notdispatched=Cette page a \u00E9t\u00E9 modifi\u00E9e. Veuillez tenir compte d'\u00E9ventuels messages.
diff --git a/src/main/java/org/olat/modules/lecture/LectureService.java b/src/main/java/org/olat/modules/lecture/LectureService.java
index cdf7d17df82f98eb09ff8543b942d31145bc3931..14aeb0457bab194c7bb24d04b5205a50b711f597 100644
--- a/src/main/java/org/olat/modules/lecture/LectureService.java
+++ b/src/main/java/org/olat/modules/lecture/LectureService.java
@@ -503,9 +503,10 @@ public interface LectureService {
 	 * 
 	 * @param entry
 	 * @param participant
+	 * @param teacherSeparator The separator between the name of 2 teachers
 	 * @return
 	 */
-	public List<LectureBlockAndRollCall> getParticipantLectureBlocks(RepositoryEntryRef entry, IdentityRef participant);
+	public List<LectureBlockAndRollCall> getParticipantLectureBlocks(RepositoryEntryRef entry, IdentityRef participant, String teacherSeparator);
 
 	
 	/**
diff --git a/src/main/java/org/olat/modules/lecture/manager/LectureBlockRollCallDAO.java b/src/main/java/org/olat/modules/lecture/manager/LectureBlockRollCallDAO.java
index 4680e95f3fa54dd260e2f74b0b04ec9dd85dbeba..e613473802453d47fb233392d56cc424b7e88bfe 100644
--- a/src/main/java/org/olat/modules/lecture/manager/LectureBlockRollCallDAO.java
+++ b/src/main/java/org/olat/modules/lecture/manager/LectureBlockRollCallDAO.java
@@ -322,7 +322,8 @@ public class LectureBlockRollCallDAO {
 		return query.getResultList();
 	}
 	
-	public List<LectureBlockAndRollCall> getParticipantLectureBlockAndRollCalls(RepositoryEntryRef entry, IdentityRef identity) {
+	public List<LectureBlockAndRollCall> getParticipantLectureBlockAndRollCalls(RepositoryEntryRef entry, IdentityRef identity,
+			String teacherSeaparator) {
 		StringBuilder sb = new StringBuilder();
 		sb.append("select block, call, re.displayname")
 		  .append(" from lectureblock block")
@@ -349,11 +350,11 @@ public class LectureBlockRollCallDAO {
 			blockToRollCallMap.put(block.getKey(), new LectureBlockAndRollCall(displayname, block, rollCall));
 		}
 		
-		appendCoaches(entry, blockToRollCallMap);
+		appendCoaches(entry, blockToRollCallMap, teacherSeaparator);
 		return new ArrayList<>(blockToRollCallMap.values());
 	}
 	
-	private void appendCoaches(RepositoryEntryRef entry, Map<Long,LectureBlockAndRollCall> blockToRollCallMap) {
+	private void appendCoaches(RepositoryEntryRef entry, Map<Long,LectureBlockAndRollCall> blockToRollCallMap, String teacherSeaparator) {
 		// append the coaches
 		StringBuilder sc = new StringBuilder();
 		sc.append("select block.key, coach")
@@ -378,7 +379,7 @@ public class LectureBlockRollCallDAO {
 				if(rollCall.getCoach() == null) {
 					rollCall.setCoach(fullname);
 				} else {
-					rollCall.setCoach(rollCall.getCoach() + ", " + fullname);
+					rollCall.setCoach(rollCall.getCoach() + " " + teacherSeaparator + " " + fullname);
 				}
 			}
 		}
diff --git a/src/main/java/org/olat/modules/lecture/manager/LectureServiceImpl.java b/src/main/java/org/olat/modules/lecture/manager/LectureServiceImpl.java
index 98a8daf5b714dc0e0db3c86f921da722ab8edb0f..c996fc9edf43b9f1b328da80666435f485bba285 100644
--- a/src/main/java/org/olat/modules/lecture/manager/LectureServiceImpl.java
+++ b/src/main/java/org/olat/modules/lecture/manager/LectureServiceImpl.java
@@ -174,8 +174,7 @@ public class LectureServiceImpl implements LectureService, UserDataDeletable, De
 
 	@Override
 	public RepositoryEntryLectureConfiguration updateRepositoryEntryLectureConfiguration(RepositoryEntryLectureConfiguration config) {
-		RepositoryEntryLectureConfiguration updatedConfig = lectureConfigurationDao.update(config);
-		return updatedConfig;
+		return lectureConfigurationDao.update(config);
 	}
 
 	@Override
@@ -422,6 +421,7 @@ public class LectureServiceImpl implements LectureService, UserDataDeletable, De
 		return new ArrayList<>(participants);
 	}
 	
+	@Override
 	public List<Identity> syncParticipantSummaries(LectureBlock lectureBlock) {
 		RepositoryEntry entry = lectureBlock.getEntry();
 		Date now = new Date();
@@ -841,8 +841,9 @@ public class LectureServiceImpl implements LectureService, UserDataDeletable, De
 	}
 
 	@Override
-	public List<LectureBlockAndRollCall> getParticipantLectureBlocks(RepositoryEntryRef entry, IdentityRef participant) {
-		return lectureBlockRollCallDao.getParticipantLectureBlockAndRollCalls(entry, participant);
+	public List<LectureBlockAndRollCall> getParticipantLectureBlocks(RepositoryEntryRef entry, IdentityRef participant,
+			String teacherSeaparator) {
+		return lectureBlockRollCallDao.getParticipantLectureBlockAndRollCalls(entry, participant, teacherSeaparator);
 	}
 
 	@Override
diff --git a/src/main/java/org/olat/modules/lecture/ui/LectureListRepositoryController.java b/src/main/java/org/olat/modules/lecture/ui/LectureListRepositoryController.java
index cc7d2284b08e69ee36b9dffdd7bc375009d81f00..cc87b8ff5ffe8af9efbd1444f80667dffb49daa4 100644
--- a/src/main/java/org/olat/modules/lecture/ui/LectureListRepositoryController.java
+++ b/src/main/java/org/olat/modules/lecture/ui/LectureListRepositoryController.java
@@ -164,8 +164,9 @@ public class LectureListRepositoryController extends FormBasicController {
 		for(LectureBlockWithTeachers block:blocks) {
 			LectureBlock b = block.getLectureBlock();
 			StringBuilder teachers = new StringBuilder();
+			String separator = translate("user.fullname.separator");
 			for(Identity teacher:block.getTeachers()) {
-				if(teachers.length() > 0) teachers.append(", ");
+				if(teachers.length() > 0) teachers.append(" ").append(separator).append(" ");
 				teachers.append(userManager.getUserDisplayName(teacher));
 			}
 
@@ -182,7 +183,7 @@ public class LectureListRepositoryController extends FormBasicController {
 		tableModel.setObjects(rows);
 		tableEl.reset(true, true, true);
 		
-		deleteLecturesButton.setVisible(rows.size() > 0);
+		deleteLecturesButton.setVisible(!rows.isEmpty());
 	}
 	
 	@Override
@@ -314,7 +315,7 @@ public class LectureListRepositoryController extends FormBasicController {
 			}
 		}
 		
-		if(blocks.size() == 0) {
+		if(blocks.isEmpty()) {
 			showWarning("error.atleastone.lecture");
 		} else {
 			StringBuilder titles = new StringBuilder();
@@ -379,7 +380,9 @@ public class LectureListRepositoryController extends FormBasicController {
 
 	private class ToolsController extends BasicController {
 		
-		private Link deleteLink, copyLink, logLink;
+		private Link deleteLink;
+		private Link copyLink;
+		private Link logLink;
 		
 		private final LectureBlockRow row;
 		
diff --git a/src/main/java/org/olat/modules/lecture/ui/ParticipantLectureBlocksController.java b/src/main/java/org/olat/modules/lecture/ui/ParticipantLectureBlocksController.java
index 886abc2b6c17fd4774df2777895c66ab6fd4dd11..3cf7745d03acb4c962dd1f072b129486141cc9a3 100644
--- a/src/main/java/org/olat/modules/lecture/ui/ParticipantLectureBlocksController.java
+++ b/src/main/java/org/olat/modules/lecture/ui/ParticipantLectureBlocksController.java
@@ -202,8 +202,9 @@ public class ParticipantLectureBlocksController extends FormBasicController {
 	private void loadModel() {
 		Date now = new Date();
 		Formatter formatter = Formatter.getInstance(getLocale());
-		
-		List<LectureBlockAndRollCall> rollCalls = lectureService.getParticipantLectureBlocks(entry, assessedIdentity);
+
+		String separator = translate("user.fullname.separator");
+		List<LectureBlockAndRollCall> rollCalls = lectureService.getParticipantLectureBlocks(entry, assessedIdentity, separator);
 		List<LectureBlockAuditLog> sendAppealLogs = lectureService.getAuditLog(entry, assessedIdentity, LectureBlockAuditLog.Action.sendAppeal);
 		Map<Long, Date> appealDates = new HashMap<>();
 		for(LectureBlockAuditLog sendAppealLog:sendAppealLogs) {
@@ -385,15 +386,12 @@ public class ParticipantLectureBlocksController extends FormBasicController {
 	}
 	
 	private void doPrint(UserRequest ureq) {
-		ControllerCreator printControllerCreator = new ControllerCreator() {
-			@Override
-			public Controller createController(UserRequest lureq, WindowControl lwControl) {
-				lwControl.getWindowBackOffice().getChiefController().addBodyCssClass("o_lectures_print");
-				Controller printCtrl = new ParticipantLectureBlocksController(lureq, lwControl, entry, assessedIdentity, false, false);
-				listenTo(printCtrl);
-				return printCtrl;
-			}					
-		};
+		ControllerCreator printControllerCreator = (lureq, lwControl) -> {
+			lwControl.getWindowBackOffice().getChiefController().addBodyCssClass("o_lectures_print");
+			Controller printCtrl = new ParticipantLectureBlocksController(lureq, lwControl, entry, assessedIdentity, false, false);
+			listenTo(printCtrl);
+			return printCtrl;
+		};				
 		ControllerCreator layoutCtrlr = BaseFullWebappPopupLayoutFactory.createPrintPopupLayout(printControllerCreator);
 		openInNewBrowserWindow(ureq, layoutCtrlr);
 	}
diff --git a/src/main/java/org/olat/modules/lecture/ui/TeacherOverviewController.java b/src/main/java/org/olat/modules/lecture/ui/TeacherOverviewController.java
index c9878ae05e5a468d7399cf1ca82ddddeb6cc04ca..00ceeba1adaa23d600446a1012643ca068d5cdb6 100644
--- a/src/main/java/org/olat/modules/lecture/ui/TeacherOverviewController.java
+++ b/src/main/java/org/olat/modules/lecture/ui/TeacherOverviewController.java
@@ -89,11 +89,12 @@ public class TeacherOverviewController extends AbstractTeacherOverviewController
 			for(LectureBlockWithTeachers blockWithTeachers:blocksWithTeachers) {
 				LectureBlock block = blockWithTeachers.getLectureBlock();
 				
-				StringBuilder teachers = new StringBuilder();
+				StringBuilder teachers = new StringBuilder(32);
 				List<Identity> teacherList = blockWithTeachers.getTeachers();
-				
+
+				String separator = translate("user.fullname.separator");
 				for(Identity teacher:blockWithTeachers.getTeachers()) {
-					if(teachers.length() > 0) teachers.append(", ");
+					if(teachers.length() > 0) teachers.append(" ").append(separator).append(" ");
 					teachers.append(userManager.getUserDisplayName(teacher));
 				}