Gregor von Helmersen

Gregor von Helmersen or Grigory Petrovich Helmersen was a Baltic German geologist.

11 October 1803

Born on the same birth day (11 October): Billy Higgins • C. Gordon Fullerton • Cameron Knowles • Chidi Ahanotu • Curt Ford • Darrall Imhoff • Ernst Mally • Hans E. Kinck • Hardik Pandya • Jean-Jacques Goldman • Jerome Robbins • Joan Cusack • Joel Bitonio • Keldon Johnson • Nicanor Duarte • Petra Haden • Pylyp Orlyk • T. J. Watt

Born in the same month (October 1803): Ferenc Deák (politician) • Friedrich Bernhard Westphal • Heinrich Wilhelm Dove • Joseph Hansom • Maria Doolaeghe • Robert Stephenson