My first job was in what they call the city center.The 36 . 38 , it wasn’t a lecture room at all, it was an ordinary room, but it had “LECTURE ROOM” on the 39 .The students were sixteen or seventeen years old, 40 . 41 , some of them looked and acted 42 . older than me sometimesseveral years younger than me was large, dark and old 37 the physics lecture room was on the second floor