Chilean poet Pablo Neruda, seen in 1972 nearly one year before his death. Keystone/Hulton Archive/Getty Images hide caption toggle caption Keystone/Hulton Archive/Getty Images The Two-Way Pablo Neruda Didn't Die Of Cancer, Experts Say. So What Killed The Poet? October 23, 2017 Official documents say the Nobel laureate died of prostate cancer in 1973. But 16 forensics experts have unanimously concluded that isn't true, stoking suspicions again that he was actually poisoned.