In 1960, unable to leave the museum except on weekends, Louis appointed Mary director of excavation at Olduvai. She brought in a staff of Kamba tribesmen, instead of Kikuyu, who, she felt, took advantage of Louis. The first, Muteva Musomba, had kept her children's ponies. He recruited Kamoya Kimeu among others. Mary set up Camp 5 under Jonathan's direction. He was 19. From then on she had her own staff and associates.