Herbert Whiteley Sellars was the second son of Frank Sellars, of Wentworth, Hoylake. He was educated at The Leas, Hoylake and Loretto School. He received Royal Aero Club Aviator's Certificate 2852 on a Caudron biplane at Beatty School, Hendon on 10 May 1916 and joined the Royal Flying Corps in June 1916. Flying the Bristol Fighter with 11 Squadron in France, he downed Ludwig Hanstein on 21 March 1918 and scored seven additional victories before he and his observer, Charles Crichton Robson, were reported missing on 15 May 1918. It is believed that they were shot down by Josef Mai. Sellars was killed and Robson was captured.
Appears as Herbert Whitelay Sellars in the London Gazette.
Great Britain, Royal Aero Club Aviators' Certificates, 1910-1950
Military Cross (MC)
Lt. Herbert Whitelay Sellars, R.F.C., Spec. Res.
For conspicuous gallantry and devotion to duty. Whilst on offensive patrol, he attacked a hostile two-seater machine, which dived vertically and eventually crashed. Having attacked another two-seater machine, which dived down over the enemy's lines, he engaged three hostile scouts, at the nearest of which his observer fired two bursts at 75 yards range, causing the enemy machine to crash down in flames. His skill and gallantry have been most marked.