Academic staff of Johannes Gutenberg University Mainz

Erwin Finlay-Freundlich (German: [ˈfʀɔɪntlɪç]; 29 May 1885 – 24 July 1964) was a German astronomer, a pupil of Felix Klein. Freundlich was a working associate of Albert Einstein and introduced experiments for which the general theory of relativity could be tested by astronomical observations based on the gravitational redshift.

Ernst Käsemann (12 July 1906 – 17 February 1998) was a German Lutheran theologian and professor of New Testament in Mainz (1946–1951), Göttingen (1951–1959) and Tübingen (1959–1971).