Complex sentence: Whilst studying Indology at Leiden University he became associated with the rightist professor Gerardus Johannes Petrus Josephus Bolland and upon leaving university in 1924 set up the country's first fascist movement, the "Verbond van Actualisten", with Alfred Haighton.
Split into simpler sentences: Whilst studying Indology at Leiden University, he became associated with the rightist professor Gerardus Johannes Petrus Josephus Bolland. After leaving the university in 1924, he set up the country's first fascist movement, the "Verbond van Actualisten", with Alfred Haighton.