William Herschel

Wolfgang Steinicke was born 1952 in Mönchengladbach, Germany. He studied astrophysics and mathematics and received his doctorate with a dissertation on the history of the New General Catalogue. His interest is focused on astronomical objects, their data and historical sources. He is the author of ten books and has published more than 300 scientific papers. The latest work is a comprehensive study of Willaim Herschel's observations. He is Adjunct Research Fellow of the University of Southern Queensland, Fellow of the Royal Astronomical Society, Director of the History of Astronomy Section of the German Vereinigung der Sternfreunde, committee member of the Herschel Society and the Webb Deep Sky Society and member of the Society for the History of Astronomy. He works for international associations, organizes astronomy meetings and gives lectures all over the world. Wolfgang Steinicke lives near Freiburg and is married with one son.

Günther Buttmann was born in 1929 in Solln, a suburb of Munich, Germany. As a librarian, he worked in various departments of the Bavarian State Library. His interest in science, primarily astronomy, was awakened at an early age which he studied throughout his life. His publications on William and John Herschel document this interest, as does his biographical work on the geographer Friedrich Ratzel. Günther Buttmann was married with three sons and lived in Stockdorf near Munich until his death in April 2023.