He attended the five - year course at the municipal training college ( diploma 1936 ) , where he met Leny van Huystee , whom he married in 1947 .
After high school , Van Praag opted for education .
Van Praag attended the five - year course at the municipal training college ( diploma 1936 ) , where Van Praag met Leny van Huystee , whom Van Praag married in 1947 .
After high school , Van Praag opted for education .