Dossier: Georg Alter (1891–1972) on David Gans (1541–1613)

This “Dossier” reprints Georg Alter’s monograph (first published in Prague in 1958) on Neḥmad we-naʿim, an astronomical treatise by the astronomer and historian David Gans. It is followed by a short biography of Georg (Jiří, George) Alter, contributed by Gad Freudenthal