January 12, 1923
William F. Fitzgerald died in 1903.
William F. Callahan died in 1964.
William F. Hunter died in 1874.
William F. Harnden died in 1845.
William F. Parrett died in 1895.
William F. Semple receive a patent for chewing gum on December 28, 1869.
23rd august
Martin Semple was born on March 13, 1986, in Edinburgh, Scotland, UK.
William F. Semple, the inventor of the first chewing gum, had one sibling, a brother named John Semple. There is limited information available about his family, so details about any additional siblings are not well-documented. Overall, it appears he had one brother and no known sisters.
William Semple Green was born on December 26, 1832.
PETER F. SEMPLE has written: 'ILLUSTRATED POCKETBOOK OF HYPERTENSION'
George Semple died in 1782.
Tom Semple died in 1943.
Parlan Semple died in 1922.
Frederick Semple died in 1927.
Dugald Semple died in 1964.
David Semple died on 1937-01-07.