1886 - 1976, Studium klass. Philologie (Latein), Promotion 1911, Gymnasiallehrer 1912-1924, 1924-1930 Professor in Groningen, ab 1930 Professor in Utrecht
1886 - 1976, Studium klass. Philologie (Latein), Promotion 1911, Gymnasiallehrer 1912-1924, 1924-1930 Professor in Groningen, ab 1930 Professor in Utrecht