Johannes F. Vaes
 | This article relies largely or entirely on a single source. (July 2021) |
Johannes Franciscus Vaes (1902–1978) was a Belgian mineralogist and geologist associated with the Union Minière du Haut-Katanga, in Belgian Congo, now the Democratic Republic of the Congo.
Vaes discovered the mineral vaesite, which was named after him in 1945 by Paul F. Kerr.[1]