Prit Buttar studied medicine at Oxford and London before joining the British Army as a doctor. After leaving the army, he worked as a GP, first near Bristol and then in Abingdon, Oxfordshire. He is extensively involved in medical politics, both at local and national level, and served on the GPs' Committee of the British Medical Association. He has appeared on national TV and radio, speaking on a variety of medical issues. He contributes regularly to the medical press.

An established expert on the Eastern Front in 20th-century military history, his previous books include the critically acclaimed Battleground Prussia: The Assault on Germany's Eastern Front 1944-45 (Osprey 2010) and Between Giants: The Battle for the Baltics in World War II (Osprey 2013) and a definitive four-part series on the Eastern Front in World War I which concluded with The Splintered Empires: The Eastern Front 1917-21 (2017). He now lives in Kirkcudbright in Scotland.