A cyclist who died after being found in a road was medical historian Professor Roy Porter.
Prof Porter, 56, of Church Road, St Leonards, wrote more than 200 books and articles on a wide range of subjects.
He was discovered on Sunday morning in Pevensey Road, Hastings, and was taken to hospital where he died on Sunday.
Police said he had died from natural causes.
He made frequent TV and radio appearances and was due to appear on Radio Three's Nightwaves.
One of his books, Enlightenment: Britain And The Creation Of The Modern World, published in 2000, was turned into an hour-long TV programme.
His most recent work was Madness: A Brief History, published this year.
The son of a jeweller, Prof Porter rose from humble beginnings in south London to obtain a scholarship to Cambridge.
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