Charles Darwin ; evolution by natural selection.

by De Beer, Gavin, Sir, 1899-1972.
Published 1964

William Herschel.

by Armitage, A. (Angus), 1902-1976.
Published 1962

Charles Lyell.

by Bailey, E. B. (Edward Battersby), 1881-1965.
Published 1963

Charles Scott Sherrington ; an appraisal.

by Granit, Ragnar, 1900-
Published 1967

Edmond Halley.

by Armitage, A. (Angus), 1902-1976.
Published 1966

Humphry Davy.

by Hartley, Harold, 1878-1972.
Published 1966

Joseph Dalton Hooker : botanist, explorer, and administrator / by W. B. Turrill.

by Turrill, W. B. (William Bertram), 1890-1961.
Published 1963