Complex sentence: In 1950, Armstrong formed an Anti-Conscription Committee with David Stove and Eric Dowling, all three former students of John Anderson, the Australian philosopher, who supported conscription and also believed that anti-conscription opinions ought to be suppressed.
Split into simpler sentences: In 1950, Armstrong formed an Anti-Conscription Committee with David Stove and Eric Dowling, all three former students of John Anderson the Australian philosopher. Anderson supported conscription and also believed that anti-conscription opinions ought to be suppressed.