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James Hartness (1861 – 1934) was an American inventor, mechanical engineer, industrial entrepreneur, amateur astronomer and early aviator.
Hartness was born in Schenectady on 3 September 1861. He moved through the ranks in machine shops in Connecticut before moving to Springfield, Vermont, where he had a brilliant career as an innovator of machine tools. He died in Springfield on 2 February 1934.
He took out numerous patents, and is credited with the invention of the flat turret lathe. This was produced by the Jones and Lamson Machine Co, where he became manager in 1896 and was president in 1901 until his retirement in 1933.
The above information is condensed from the Wikipedia entry.