Walter Broadbent was born in 1868, the son of Sir William Broadbent. He was educated at Harrow School, Trinity College, Cambridge and St Mary's Hospital, London. He graduated in 1893. His first paper, published in 1895, described the Broadbent sign.
- Barry G. Firkin, Judith A. Whitworth. Dictionary of Medical Eponyms. Informa Health Care, 2001, page 47. ISBN 978-1-85070-333-4.
- "Broadbent, Walter (BRDT886W)". A Cambridge Alumni Database. University of Cambridge.