Professor Bertram Hopkinson, C.M.G., M.A., B.Sc., F. R. S. (1874-1918)

T. M. Charlton, Reginald Victor Jones, William Drummond MacDonald Paton
1974 Notes and Records: the Royal Society journal of the history of science  
doi:10.1098/rsnr.1974.0007 fatcat:lusum5iaxnc7rdg6qeexllbuz4