Date of Birth: estimated 1925

May was purchased from the Rockefeller Institute of Medical Research on November 10, 1930.

Date of Death: September 11, 1947

May died in an experimental procedure that involved "extensive bilateral prefrontal lobectomy". The cause of death may have been "asceptic cerebellar necrosis". May was approximately 22 when she died.

Parents: UNKNOWN

Children: Fin (with Bokar), Lu (with Jack)