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John Joly FRS MRDS (1 November 1857 – 8 December 1933) was an Irish physicist and professor of geology at the University of Dublin, known for his development of radiotherapy in the treatment of cancer.
John Joly (born 1857, Holywood, King’s County, Ire.—died Dec. 8, 1933, Dublin) was an Irish geologist and physicist who, soon after 1898, estimated the age of the Earth at 100,000,000 years. He also developed a method for extracting radium (1914) and pioneered its use in cancer treatment.
John Joly was an Irish geologist, physicist, engineer and also an inventor. He entered Trinity College in 1876, graduating in engineering in 1882 in first place while at the same time obtaining a First Class Honours in modern literature.
John Joly (1857–1933) was one of Ireland’s most eminent scientists of the late nineteenth and early twentieth centuries who made important discoveries in physics, geology and photography.
John Joly (1857-1933) was a versatile and prolific scholar who made significant contributions to geology, physics, engineering, medicine and photography. He invented the first successful method for colour photography, estimated the age of the earth based on sodium and radioactivity, and developed treatments for cancer with radium.
Jun 12, 2014 · John Joly was a maverick scientist from Co Offaly who invented the ‘Dublin method’ 100 years ago. Expand. John Joly’s many inventions include several important scientific...
A biographical article on John Joly (1857-1933), a prominent scientist in modern Ireland. It covers his achievements in experimental physics, geology, radioactivity, colour photography and radium therapy, as well as his ancestry, education and personality.
