Austrian balneologist; born at Polna May 20, 1822. He studied medicine at Prague and Vienna (M.D. 1847), becoming privat-docent at Vienna in 1854 and assistant professor in 1859. From 1854 to 1884 he practised during the summer months at Carlsbad. In 1856 Seegen founded with Oppolzer and Sigmund the Verein für Quellenkunde in Oesterreich.
Seegen has published many essays in the medical journals, especially on balneology, and is the author of: "Compendium der Allgemeinen und Speciellen Heilquellenlehre," Vienna, 1857 (2d ed. 1862); "Diabetes Mellitus," Berlin, 1875; "Studien über den Stoff wechsel im Thierkörper," ib. 1887; "Die Zuckerbildung im Thierkörper, Ihr Umfang und Ihre Bedeutung," ib. 1890.
- Pagel, Biog. Lex., Vienna, 1901.