title: Johannes Fleischer, Jr., M.D.: the first scientist at Jamestown, Virginia.
authors.forename: G C
authors.initials: GC
authors.lastname: Grassl
mesh_terms: D001901:Botany / Q000266:history; D018595:Colonialism / Q000266:history; D004641:Emigration and Immigration / Q000266:history; D049669:History, 16th Century; D049670:History, 17th Century; D010820:Physicians / Q000266:history; D011044:Poland; D014768:Virginia / Q000208:ethnology