author
William Hyde Kelly
b. 1882
Best known for a close study of Waterloo’s overlooked final movements, this early-20th-century military writer focused on the Battle of Wavre and Marshal Grouchy’s retreat rather than the campaign’s most famous clash. His work has lasted because it turns a neglected corner of Napoleonic history into a clear, purposeful narrative.
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About the author
William Hyde Kelly was a British military writer born in 1882. The main firmly confirmed work connected with him is The Battle of Wavre and Grouchy's Retreat: A Study of an Obscure Part of the Waterloo Campaign, published in London by John Murray in 1905.
The book presents itself as a study of the less-discussed fighting around Wavre during the Waterloo campaign, with a special focus on Grouchy's operations and retreat. In the preface, Kelly explains that he chose this "tail-end" of the campaign because it was little known and still offered practical lessons, which gives his writing a thoughtful, analytical tone.
Beyond that volume, reliable biographical detail appears to be scarce in the sources I could confirm here. I have therefore kept this overview to the points that are clearly supported, rather than repeating uncertain claims.