Mark Barr
(1871-1950)
English-American inventor and polymath
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James Mark McGinnis Barr (May 18, 1871 – December 15, 1950) was an electrical engineer, physicist, inventor, and polymath known for proposing the standard notation for the golden ratio. Born in America, but with English citizenship, Barr lived in both London and New York City at different times of his life.
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| Born |
18 May 1871
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| Died |
15 December 1950 (aged 79)
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| Zodiac | Taurus |
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