In 1946 twenty prefrontal leucotomies were performed, mostly on African women, in Bulawayo. In 1957, for example, he performed 125 rostral and 19 standard leucotomies. By the late 1950s he had performed about 3,000 leucotomies. Limbic leucotomies continued to be performed at Atkinson Morley's Hospital until 1999. By the end of 1959, 300 patients had had leucotomies..