(1436–76), German astronomer and mathematician; born Johannes Müller. He translated Ptolemy's Mathematical Syntaxis and wrote four monumental works on mathematics and astronomy.
Definition of Regiomontanus, Johannes in US English:
Regiomontanus, Johannes
proper nounˌrāɡē-ōˌmônˈtänəs
(1436–76), German astronomer and mathematician; born Johannes Müller. Considered the most important astronomer of the 15th century, he translated Ptolemy's Mathematical Syntaxis and wrote four monumental works on mathematics and astronomy.