Original sentence: Despite being a military historian and lecturer, Keegan has never been in the military or seen combat himself due to childhood illness, an irony he discusses in the introduction of a number of his works.Keegan praised Irving's ability to research, but also criticized Irving's distortions and thought certain of his ideas "perverse.Like many historians, Keegan became embroiled in the David Irving controversy, and was criticized for some comments which seemed pro-Irving
Edited sentence: Despite being a military historian and lecturer, Keegan has never been in the.In particular, his comments on Deborah Lipstadt, the Jewish historian who Irving sued, have been seen as unduly dismissive.Recently he has received some criticism for his continued defence of David Irving, even after the exposure of Irving's fraudulent methods.a number of his works.military or in battle himself due to childhood illness, an irony he discusses in the introduction of