David Glantz is a prominent American historian and author, known for his extensive research on the Eastern Front during World War II. He has written numerous books and articles that analyze the military strategies and operations of the Soviet Union, particularly during the Great Patriotic War. Glantz has also served as a consultant for various military organizations and has contributed to the understanding of Soviet military doctrine. His work is widely respected in the field of military history, making him a key figure for those studying World War II and Soviet military history.