Carl Wilhelm Wirtz

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 after which he spent his time between the Kiel Observatory in Germany and the Observatory of Strasbourg, France. He is known for statistically showing the existence of a redshift-distance correlation for spiral galaxies. Provided by Wikipedia