Seraphim Papacostas studied theology at the University of Athens, thereafter serving as a high school teacher for two years, and later as a preacher at the Cathedral of Athens.

 Doctor of medicin and author of Aktines

Professor of Chemistry at the Institute of Technology of Cambridge in Massachusetts, USA.

He's among the professors and scientists who supported the "Declaration" of the Christian Union of Scientists. See in Aktines, 1948, p. 273