He participated in five Formula One World Championship Grands Prix, debuting on 13 May 1950, and also founded the Ecurie Ecosse Scottish motor racing team, based at Merchiston Mews in Edinburgh.
Participou en cinco Grandes Premios do Campionato do Mundo de Fórmula 1, debutando o 13 de maio de 1950 e tamén fundou o equipo escocés Ecurie Ecosse, baseado en Merchiston Mews de Edimburgo.