Carl Wilhelm Wirtz
German astronomer (1876–1939) / From Wikipedia, the free encyclopedia
Carl Wilhelm Wirtz (24 August 1876 in Krefeld – 18 February 1939 in Hamburg) was an astronomer who studied astronomy at Bonn University (1895-1898) obtaining his doctorate there [1] after which he spent his time between the Kiel Observatory (526) in Germany and the Observatory of Strasbourg, France. He is known for statistically showing the existence of a redshift-distance correlation for spiral galaxies.[2]