John Milne
John Milne was a British geologist and mining engineer who worked on a horizontal seismograph.
30 December 1849
Born on the same birth day (30 December): Bruno Henrique (footballer, born 1990) • David Pareus • December 30 • December 30 • Hubble Space Telescope • Janko Prunk • Martti Vainio • Omar Bongo • Patti Smith • Paul Bowles • Ramana Maharshi
Born in the same month (December 1849): August von Mackensen • Eduard Seler • Henrietta Edwards • Henry Clay Frick • Mary Hartwell Catherwood