He joined the family sculpting company, J. Whitehead and Son, which ran studios at 64 Kennington Road, 74 Rochester Row, and Vincent Square, London.
The work on the Titanic Memorial was only partial, and under the supervision of William Hamo Thornycroft, master sculptor.
Whitehead's contribution is a figure of Charles Frederick William Hatfield (1879–1954), an engineer for the White Star Line, who, although not on the Titanic, is representative of others of that trade lost on the day.
It is a modernised version of Michelangelo's "Pieta" in St Peters in Rome, and has huge emotion.
Although technically for a single soldier, Lt Daniel Duncan, and his mother who died of grief three months later it is often seen as emblematic of the futility of war in general.