Complex sentence: Lindrum also played in 1939, where he lost to Alec Brown in the quarter-final, and 1947 and 1951, losing to Walter Donaldson in the semi-final on both occasions.
Split into simpler sentences: Lindrum also played in 1939, where he lost to Alec Brown in the quarter-final. He later played in the 1947 and 1951 World Championships, losing to Walter Donaldson in the semi-final on both occasions.