(CNN) A leading cancer expert, who was described as a "pioneer" in his field by Prince William, has died suddenly after receiving a routine yellow fever vaccination.

Martin Gore, 67, died Thursday morning after receiving the vaccine, which is recommended to travelers visiting sub-Saharan Africa, most of South America, and parts of Central American and the Caribbean.

London's Royal Marsden NHS Foundation Trust, where Gore worked for more than 30 years, expressed its "deep sadness" following the announcement of his death.

"Martin was at the heart of The Royal Marsden's life and work in research, treatment and the training of our new oncologists," the hospital said in a statement. "His contribution as medical director for 10 years, a trustee of The Royal Marsden Cancer Charity, and as a clinician is unparalleled."

A woman receives a yellow fever vaccination at an outpatient clinic in Sao Paulo, Brazil.

Professor Mel Greaves from the Institute of Cancer Research, described Gore as "a force of nature, very energetic, clear-thinking and compassionate." While Allyson Kate, president of the charity Ovarian Cancer Action, said: "He was a giant in the field and a humorous colleague. There is no doubt that professor Gore improved the lives of many. He will be greatly missed."

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