HUA-104893-Portret van Johannes David Hahn geboren Utrecht 1729 hoogleraar in de natuur en sterrenkunde geneeskunde botanie en scheikunde aan de Utrechtse hogesc, Nicolaas Reyers

Portrait of johannes david hahn, born utrecht 1729, professor of physics and astronomy, medicine, botany and chemistry at the utrecht university of applied sciences (1753-1775), died 1784. Bust left, in toga, in oval. Date: between 1 January 1780 and 31 December 1790. Dimensions: height: 22 cm (8.6 in); width: 17 cm (6.6 in). Medium: photo. Collection: Het Utrechts Archief.