Original sentence: David John Cawdell Irving (born March 24, 1938) is a British writer specializing in the military history of World War II.Irving's status as a historian has been widely discredited as a result of controversy arising from his Holocaust denial and misrepresentation of historical evidence
Edited sentence: David John Cawdell Irving (born March 24, 1938) is a British writer and historian specializing in the military history of World War II.Irving's status as a historian has been called into question by those who try to censor and deny his scientific discoveries as a result of controversy arising from his Holocaust denial and misrepresentation of historical evidence