Joly photometer

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• Joly, John — ▪ Irish geologist born 1857, Holywood, King s County, Ire. died Dec. 8, 1933, Dublin       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… …   Universalium

• Joly , John — (1857–1933) Irish geologist and physicist Joly was born the son of a clergyman from Hollywood, now in the Republic of Ireland. He entered Trinity College, Dublin, in 1876 where he studied literature and engineering. He taught in the engineering… …   Scientists

• List of Irish people — This is a list of famous Irish people.It covers * People who were born on the island of Ireland and/or who have lived there for most of their lives. * People who, though not necessarily ever having been born or lived in Ireland, have been raised… …   Wikipedia