diff --git a/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CourseController.java b/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CourseController.java
index 82e66da..f3e93d4 100644
--- a/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CourseController.java
+++ b/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CourseController.java
@@ -10,8 +10,8 @@ import ovh.herisson.Clyde.Services.ProtectionService;
 import ovh.herisson.Clyde.Services.TeacherCourseService;
 import ovh.herisson.Clyde.Tables.Course;
 import ovh.herisson.Clyde.Tables.Role;
+import ovh.herisson.Clyde.Tables.User;
 
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -49,14 +49,25 @@ public class CourseController {
         if (authServ.isNotIn(new Role[]{Role.Admin,Role.Secretary},token))
             return new UnauthorizedResponse<>(null);
 
-        Iterable<Course> courses = courseServ.findAll();
-        ArrayList<HashMap<String,Object>> coursesWithoutPassword = new ArrayList<>();
+        return new ResponseEntity<>(ProtectionService.coursesWithoutPasswords(courseServ.findAll()),HttpStatus.OK);
+    }
 
-        for (Course course: courses){
-            coursesWithoutPassword.add(ProtectionService.courseWithoutPassword(course));
-        }
+    @GetMapping("/courses/owned")
+    public ResponseEntity<Iterable<HashMap<String ,Object>>> getOwnedCourses(@RequestHeader("Authorization") String token){
+        if (authServ.isNotIn(new Role[]{Role.Admin,Role.Teacher},token))
+            return new UnauthorizedResponse<>(null);
 
-        return new ResponseEntity<>(coursesWithoutPassword,HttpStatus.OK);
+        return new ResponseEntity<>(ProtectionService.coursesWithoutPasswords(courseServ.findOwnedCourses(authServ.getUserFromToken(token))),HttpStatus.OK);
+    }
+
+    @GetMapping("/course/{id}/assistants")
+    public ResponseEntity<Iterable<HashMap<String,Object>>> getCourseAssistants(@RequestHeader("Authorization")String token, @PathVariable long id){
+        if (authServ.getUserFromToken(token) == null)
+            return new UnauthorizedResponse<>(null);
+
+        Iterable<User> assistants = teacherCourseServ.findCourseAssistants(courseServ.findById(id));
+
+        return new ResponseEntity<>(ProtectionService.usersWithoutPasswords(assistants),HttpStatus.OK);
     }
 
 
diff --git a/backend/src/main/java/ovh/herisson/Clyde/EndPoints/UserController.java b/backend/src/main/java/ovh/herisson/Clyde/EndPoints/UserController.java
index c449a27..bcc866f 100644
--- a/backend/src/main/java/ovh/herisson/Clyde/EndPoints/UserController.java
+++ b/backend/src/main/java/ovh/herisson/Clyde/EndPoints/UserController.java
@@ -9,7 +9,6 @@ import ovh.herisson.Clyde.Services.ProtectionService;
 import ovh.herisson.Clyde.Services.UserService;
 import ovh.herisson.Clyde.Tables.Role;
 import ovh.herisson.Clyde.Tables.User;
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -55,12 +54,8 @@ public class UserController {
             return new UnauthorizedResponse<>(null);
 
         Iterable<User> users = userService.getAll();
-        ArrayList<HashMap<String, Object>> withoutPassword = new ArrayList<>();
 
-        for (User u :users){
-            withoutPassword.add(ProtectionService.userWithoutPassword(u));
-        }
-        return new ResponseEntity<>(withoutPassword, HttpStatus.OK);
+        return new ResponseEntity<>(ProtectionService.usersWithoutPasswords(users), HttpStatus.OK);
     }
 
     /** changes the specified user's information
@@ -93,13 +88,8 @@ public class UserController {
             return new UnauthorizedResponse<>(null);
 
         Iterable<User> teachers = userService.getAllTeachers();
-        ArrayList<HashMap<String, Object>> withoutPassword = new ArrayList<>();
 
-        for (User t: teachers){
-            withoutPassword.add(ProtectionService.userWithoutPassword(t));
-        }
-
-        return new ResponseEntity<>(withoutPassword, HttpStatus.OK);
+        return new ResponseEntity<>(ProtectionService.usersWithoutPasswords(teachers), HttpStatus.OK);
     }
 }
 
diff --git a/backend/src/main/java/ovh/herisson/Clyde/Repositories/CourseRepository.java b/backend/src/main/java/ovh/herisson/Clyde/Repositories/CourseRepository.java
index 671a995..aa7564a 100644
--- a/backend/src/main/java/ovh/herisson/Clyde/Repositories/CourseRepository.java
+++ b/backend/src/main/java/ovh/herisson/Clyde/Repositories/CourseRepository.java
@@ -1,8 +1,15 @@
 package ovh.herisson.Clyde.Repositories;
 
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.CrudRepository;
 import ovh.herisson.Clyde.Tables.Course;
+import ovh.herisson.Clyde.Tables.User;
 
 public interface CourseRepository extends CrudRepository<Course,Long> {
     Course findById(long id);
+
+
+    @Query("select c from Course c where c.owner = ?1")
+    Iterable<Course> findAllOwnedCoures(User teacher);
+
 }
diff --git a/backend/src/main/java/ovh/herisson/Clyde/Repositories/TeacherCourseRepository.java b/backend/src/main/java/ovh/herisson/Clyde/Repositories/TeacherCourseRepository.java
index ffe654a..3dbb7ff 100644
--- a/backend/src/main/java/ovh/herisson/Clyde/Repositories/TeacherCourseRepository.java
+++ b/backend/src/main/java/ovh/herisson/Clyde/Repositories/TeacherCourseRepository.java
@@ -1,8 +1,14 @@
 package ovh.herisson.Clyde.Repositories;
 
 
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.CrudRepository;
+import ovh.herisson.Clyde.Tables.Course;
 import ovh.herisson.Clyde.Tables.TeacherCourse;
+import ovh.herisson.Clyde.Tables.User;
 
 public interface TeacherCourseRepository extends CrudRepository<TeacherCourse, Long> {
+
+    @Query("select tc.user from TeacherCourse tc where tc.course = ?1")
+    Iterable<User> findAllAssistantOfCourse(Course course);
 }
diff --git a/backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java b/backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java
index bdb9ae8..b5dd906 100644
--- a/backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java
+++ b/backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java
@@ -31,6 +31,13 @@ public class CourseService {
         return courseRepo.findAll();
     }
 
+
+    public Iterable<Course> findOwnedCourses(User userFromToken) {
+        return courseRepo.findAllOwnedCoures(userFromToken);
+    }
+
+
+
     public boolean modifyData(long id, Map<String, Object> updates, Role role) {
         Course target = courseRepo.findById(id);
 
diff --git a/backend/src/main/java/ovh/herisson/Clyde/Services/ProtectionService.java b/backend/src/main/java/ovh/herisson/Clyde/Services/ProtectionService.java
index 8c778e1..7f2bea8 100644
--- a/backend/src/main/java/ovh/herisson/Clyde/Services/ProtectionService.java
+++ b/backend/src/main/java/ovh/herisson/Clyde/Services/ProtectionService.java
@@ -3,6 +3,7 @@ package ovh.herisson.Clyde.Services;
 import ovh.herisson.Clyde.Tables.Course;
 import ovh.herisson.Clyde.Tables.User;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 
 public class ProtectionService {
@@ -13,6 +14,7 @@ public class ProtectionService {
      */
     public static HashMap<String,Object> userWithoutPassword(User user){
         HashMap<String,Object> toReturn = new HashMap<>();
+
         toReturn.put("regNo",user.getRegNo());
         toReturn.put("lastName",user.getLastName());
         toReturn.put("firstName",user.getFirstName());
@@ -24,6 +26,19 @@ public class ProtectionService {
         toReturn.put("role",user.getRole());
         return toReturn;
     }
+
+    public static Iterable<HashMap<String ,Object>>usersWithoutPasswords(Iterable<User> users){
+        ArrayList<HashMap<String,Object>> toReturn = new ArrayList<>();
+
+        for (User u : users){
+            toReturn.add(userWithoutPassword(u));
+        }
+
+        return toReturn;
+    }
+
+
+
     public static HashMap<String,Object> courseWithoutPassword(Course course){
         HashMap<String ,Object> toReturn = new HashMap<>();
 
@@ -34,5 +49,17 @@ public class ProtectionService {
         return toReturn;
     }
 
+    public static Iterable<HashMap<String ,Object>> coursesWithoutPasswords(Iterable<Course> courses){
+        ArrayList<HashMap<String,Object>> toReturn = new ArrayList<>();
+
+        for (Course course: courses){
+            toReturn.add(ProtectionService.courseWithoutPassword(course));
+        }
+
+        return toReturn;
+
+    }
+
+
 }
 
diff --git a/backend/src/main/java/ovh/herisson/Clyde/Services/TeacherCourseService.java b/backend/src/main/java/ovh/herisson/Clyde/Services/TeacherCourseService.java
index 84900a8..dee3a7b 100644
--- a/backend/src/main/java/ovh/herisson/Clyde/Services/TeacherCourseService.java
+++ b/backend/src/main/java/ovh/herisson/Clyde/Services/TeacherCourseService.java
@@ -4,6 +4,7 @@ import org.springframework.stereotype.Controller;
 import ovh.herisson.Clyde.Repositories.TeacherCourseRepository;
 import ovh.herisson.Clyde.Repositories.UserRepository;
 import ovh.herisson.Clyde.Tables.Course;
+import ovh.herisson.Clyde.Tables.Role;
 import ovh.herisson.Clyde.Tables.TeacherCourse;
 import ovh.herisson.Clyde.Tables.User;
 
@@ -20,6 +21,13 @@ public class TeacherCourseService {
         this.userRepo = userRepo;
     }
 
+    public Iterable<User> findCourseAssistants(Course course) {
+        if (course == null)
+            return null;
+        return teacherCourseRepo.findAllAssistantOfCourse(course);
+    }
+
+
     public boolean saveAll(Iterable<Long> teacherIds, Course course){
 
         if (course == null  || teacherIds == null)
@@ -31,7 +39,7 @@ public class TeacherCourseService {
             if ( teacher== null){
                 return false;
             }
-            if (!toAdd.contains(teacher))
+            if (!toAdd.contains(teacher) && teacher.getRole() == Role.Teacher)
             {
                 toAdd.add(teacher);
             }
@@ -41,4 +49,5 @@ public class TeacherCourseService {
         }
         return true;
     }
+
 }