Name: Seagrief, John James; Occupation: Hon. Sec. Rhodesia Garden Village; Date of Birth: 1890; Address at time of submitting biographical data: S. Rhodesia Name: Seal, R. J.; Occupation: c/o Secretariat; Date of Birth: 1901; Address at time of submitting biographical data: N. Rhodesia Name: Searle, Derek Lawrence; Occupation: c/o Mines & Geological Dept.; Date of Birth: 1927;…