- Lunn, Arnold Henry Moore, Sir, 1888-1974 (4)
- Muirhead, Findlay (2)
- Wheeler, William Morton, 1865-1937 (2)
- Young, Geoffrey Winthrop (2)
- Abraham, George Dixon (1)
- Arnold, Walter L. (1)
- Besant, Annie Wood, 1847-1933 (1)
- Bilgeri, Georg (1)
- Brindley, H. H. (1)
- Bruce, Charles Granville, 1866-1939 (1)
- Burgess, Ernest Watson, 1886-1966 (1)
- Carpenter, Kathleen E. (1)
- Caulfield, Vivian (1)
- Darwin, Charles, 1809-1882 (1)
- Dawson, Carl A. (1)
- Elton, Charles S. (Charles Sutherland), 1900- (1)
- Folsom, Justus Watson. (1)
- Gettys, Warner E. (1)
- Grinnell, Joseph, 1877-1939 (1)
- Hammond, A. R. (1)
- Haviland, Maud D. (1)
- Hingston, R. W. G. (Richard William George), 1887- (1)
- Hobbs, William Herbert, 1864-1952 (1)
- Holme, Harold (1)
- Howard-Bury, Charles Kenneth, 1883- (1)
- Imms, A. D. (Augustus Daniel), 1880-1949 (1)
- Kephart, Horace, 1862-1931 (1)
- Miall, L. C. (Louis Compton), 1842-1921 (1)
- Monmarché, Marcel (1)
- Mumm, A.L. (1)
- Norton, Edward Felix, 1884- (1)
- Palmer, Howard, 1883-1944 (1)
- Park, Robert Ezra, 1864-1944 (1)
- Raeburn, Harold. (1)
- Smuts, Jan Christiaan, 1870-1950 (1)
- Smythe, F. S. (Francis Sydney), 1900-1949 (1)
- Stephen, Leslie, Sir, 1832-1904 (1)
- Storer, Tracy Irwin, 1889- (1)
- Tansley, A. G. (Arthur George), Sir, 1871-1955 (1)
- Thorington, James Monroe, 1894- (1)
- Wright, F.J. (1)
- Young, Geffrey Winthrop (1)