diff --git a/android/app/src/main/java/fr/iut/sciencequest/model/metier/Difficulte.kt b/android/app/src/main/java/fr/iut/sciencequest/model/metier/Difficulte.kt
new file mode 100644
index 0000000..0d52e33
--- /dev/null
+++ b/android/app/src/main/java/fr/iut/sciencequest/model/metier/Difficulte.kt
@@ -0,0 +1,11 @@
+package fr.iut.sciencequest.model.metier
+
+class Difficulte {
+    val id: Int
+    val libelle: String
+
+    constructor(id: Int, libelle: String) {
+        this.id = id
+        this.libelle = libelle
+    }
+}
\ No newline at end of file
diff --git a/android/app/src/main/java/fr/iut/sciencequest/model/metier/Scientifique.kt b/android/app/src/main/java/fr/iut/sciencequest/model/metier/Scientifique.kt
new file mode 100644
index 0000000..52f8c7d
--- /dev/null
+++ b/android/app/src/main/java/fr/iut/sciencequest/model/metier/Scientifique.kt
@@ -0,0 +1,23 @@
+package fr.iut.sciencequest.model.metier
+
+class Scientifique {
+    val id: Int
+    val nom: String
+    val prenom: String
+    val photo: String
+    val descriptif: String
+    val ratioTrouve: Float
+    val sexe: Char
+    val difficulte: Difficulte
+
+    constructor(id: Int, nom: String, prenom: String, photo: String, descriptif: String, ratioTrouve: Float, sexe: Char, difficulte: Difficulte){
+        this.id = id
+        this.nom = nom
+        this.prenom = prenom
+        this.photo = photo
+        this.descriptif = descriptif
+        this.ratioTrouve = ratioTrouve
+        this.sexe = sexe
+        this.difficulte = difficulte
+    }
+}
\ No newline at end of file
diff --git a/android/app/src/main/java/fr/iut/sciencequest/model/metier/Thematique.kt b/android/app/src/main/java/fr/iut/sciencequest/model/metier/Thematique.kt
new file mode 100644
index 0000000..33b7c1b
--- /dev/null
+++ b/android/app/src/main/java/fr/iut/sciencequest/model/metier/Thematique.kt
@@ -0,0 +1,10 @@
+package fr.iut.sciencequest.model.metier
+
+class Thematique {
+    val id: Int
+    val libelle: String
+    constructor(id: Int, libelle: String) {
+        this.id = id
+        this.libelle = libelle
+    }
+}
\ No newline at end of file