Name: Lock, George Winslow; Occupation: Senior Research Officer; Date of Birth: 1902; Address at time of submitting biographical data: Tanganyika; Trinidad Name: Lock, Hugh Vernon Hughes; Occupation: City Engineer; Date of Birth: 1906; Address at time of submitting biographical data: S. Rhodesia Name: Lock, L E.; Occupation: c/o A. A. Tobacco Co.; Date of Birth: n. d. ; Address at…