Background
Tonkelaar, Isolde den was born on March 9, 1957 in De Bilt, Utrecht, The Netherlands. Daughter of Johannes Franciscus Tonkelaarden and Grietje Barnhoorn.
Tonkelaar, Isolde den was born on March 9, 1957 in De Bilt, Utrecht, The Netherlands. Daughter of Johannes Franciscus Tonkelaarden and Grietje Barnhoorn.
Mediterranean Shipping Company in Biology, U. Utrecht, The Netherlands, 1984; D in Epidemiology, U. Utrecht, The Netherlands, 1995.
Curator, Royal Netherlands Ophthalmic Hospital, 1984-1989; researcher, U. Utrecht (The Netherlands), since 1985; curator, U. Utrecht (The Netherlands), 1990-1994.
Married GysbertKarel van Leersum, July 16, 1990. Children: Koen, Emma.