Dennis first became involved in F1 in 1966, at the age of 18, working alongside driver Jochen Rindt at the Cooper Formula One team.

BBC: McLaren's Dennis quits Formula 1

Ecclestone then managed the Austrian Jochen Rindt, who also died in a crash but became the first driver to be posthumously named world champion.

BBC: BERNIE ECCLESTONE

Lotus have a rich history in F1, with a list of former drivers which includes British double world champion Jim Clark, Austrian 1970 title winner Jochen Rindt and legendary Brazilian racer Ayrton Senna.

CNN: Lotus v Lotus: What's in a name?