There are four pivotal milestones that define Derek Warwick and his Formula One career.
He was a British driver who was widely regarded as one of the most talented to have never won a Grand Prix, something that can largely be put down to being in the wrong car at the wrong time.
When he should have been winning with Williams, he was struggling in a Renault. When he should have been with making waves with Lotus, he was treading water with Brabham.