Deaths in History in December 1921

  • Dec 12 Henrietta Swan Leavitt, American astronomer (period-luminosity relation), dies at 53
  • Dec 20 Hans Hartwig von Beseler, German Colonel General, dies at 71
  • Dec 21 P B S Pinchback, major Reconstruction politician, dies at 84
  • Dec 31 Boies Penrose, U.S. Senator from Pennsylvania (b. 1860)