 He was the son of Laurits Klok and Karoline Adolfsen.He was first a mason apprentice and a construction manager before going to technical school and the Royal Danish Academy of Fine Arts, School of Architecture, where he graduated in 1929.He received the Academy Bursary award in 1925 and K. A. Larssens Legat 1927 and travelled to Italy, France and England to study key architectural influences.