gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1921.019.95.03 Biographical Notices of Mineralogists Recently Deceased; with an Index to Those Previously Published in This Magazine Spencer L. J. M.A., Sc.D., F.G.S. Assistant-Keeper in the Mineral Department of the British Museum 12 1921 19 95 240 259 Copyright © 1921, The Mineralogical Society 1921