Speed of light miles per second
Ole Christensen Rømer was a Danish astronomer who, in , first demonstrated that light travels at a finite speed.
Speed of light in air
RöMER, OLE CHRISTENSEN (OR ROEMER, OLAUS) (b.
Speed of light 3x10
Ole Römer was a multifaceted Danish scientist and public servant, most noted for his discovery and determination of the finite velocity of light.
Fizeau speed of light
Ole (or Olaus) Christensen Römer was born at Arhus, in Jutland, on September 25, He got his education in Copenhagen at the university, where he studied under the Bartholin brothers .