How Did David Zelag Goodman Die?

David Zelag Goodman was a playwright and screenwriter for both TV and film. His most prolific period was from the 1960s to the early 1980s. He was nominated for an Academy Award for Lovers and Other Strangers, though he did not win. He co-wrote, with Sam Peckinpah, the screenplay for 1971's controversial Straw Dogs. Other films that he wrote or co-wrote included Logan's Run, Monte Walsh, and Farewell, My Lovely. He also wrote a number of the episodes of The Untouchables in the early 1960s.