Dr. Leonard Jan Le Vann (1 August 1915 – 29 September 1987) was the medical superintendent at the Alberta Provincial Training School for Mental Defectives (also known as the Michener Center) from the years 1949–1974. Although he was born and raised in the United States, Le Vann trained as a physician in Scotland. Throughout his career Le Vann wrote many articles, the majority of which were published during his 25-year career at the Provincial Training School. These articles covered a broad range of topics that include alcoholism, schizophrenia and experimental treatments of antipsychotic drugs. In 1974 Le Vann resigned from the training center, which was due to the Government of Alberta's repeal of the Sexual Sterilization Act. Furthermore, there has been plenty of controversy about how he