Who has the highest scope of profession in  Dirk Frimout or André Kuipers
Dirk Frimout Dirk Dries David Damiaan, Viscount Frimout (born 21 March 1941 in Poperinge, Belgium) is an astrophysicist for the European Space Agency. He flew aboard NASA Space Shuttle mision STS-45 as a payload specialist , making him the first Belgian in space .
Marvin Kwitko Marvin Leo Kwitko, FACS, FICS, FRCS, KStJ (March 3, 1931 - August 20, 2002) was a Canadian ophthalmologist who pioneered in cataract surgery and laser eye surgery. He is one of Canada’s most distinguished ophthalmologic writers and surgeons. Kwitko was the first doctor in Canada to insert intraocular lens implants during cataract surgery (1967) and the first doctor in Canada to perform radial keratotomy surgery (1979).