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Thomas Lomar Gray : biography

4 February 1850 - 19 December 1908

Thomas Lomar Gray (4 February 1850 – 19 December 1908) was a Scottish engineer noted for his pioneering work in seismology.


Early life

Born in Lochgelly, Fife, Scotland, Gray graduated in 1878 from the University of Glasgow with a B.Sc. in engineering. At Glasgow, he awarded the for "An Experimental Determination of Magnetic Moments in Absolute Measurements."Rose Polytechnic Institute. (1909).


At the recommendation of John Milne, he was hired by the government of Japan as a foreign advisor and arrived in Tokyo in 1879 to assume to post of Professor of Telegraph Engineering in the Physical Laboratories at the Tokyo Imperial University. Later, while working at the Imperial College of Engineering in Tokyo, he helped John Milne and James Alfred Ewing develop the first modern seismometers from 1880 to 1895.Clancy, Gregory. (2006). Although all three men worked as a team on the invention and use of seismographs, John Milne is generally credited with the invention of the first modern horizontal-pendulum seismograph.Dewey, James and Perry Byerly. Bulletin of the Seismological Society of America, Vol. 59, No. 1, pp. 183-227. February 1969.

Gray joined Milne and Ewing in founding the Seismological Society of Japan (SSJ) in 1880.Massachusetts Institute of Technology,

Among Gray's colleagues in Japan was Thomas C. Mendenhall. Inn 1888, Mendenhall encouraged him to join the faculty of Rose Polytechnic Institute of Technology, now Rose-Hulman Institute of Technology in Terre Haute, Indiana in the United States. His title was Professor of Dynamic Engineering. He was vice president of Rose Polytechnic from 1891 through 1908. He died on 19 December 1908.

Living octopus

Living octopus

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