John Givan Davis Mack
John Givan Davis Mack | |
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| Born | September 5, 1867 Terre Haute, Indiana |
| Died | February 24, 1924 (aged 56) Madison, Wisconsin |
| Education | Cornell University |
| Occupation(s) | Engineer, professor, curator |
| Employer | University of Wisconsin |
John Givan Davis Mack (September 5, 1867 – February 24, 1924) was a professor of engineering at the University of Wisconsin. He was also curator of the museum of the Wisconsin Historical Society. He was for many years State Chief Engineer.
Biography
[edit]John Givan Davis Mack was born in Terre Haute, Indiana on September 5, 1867.[1][2] He graduated from Cornell University in 1888.[3] In 1893 he started work at the University of Wisconsin as an instructor.[4]
In 1898 he registered the patent of the Mack Improved Mannheim Simplex Slide Rule, which he then assigned to Eugene Dietzgen who put the slide rule into production.[5]
He died from a heart attack in Madison on February 24, 1924.[1][2] Upon his death, a portrait of Professor Mack was given to the Wisconsin Historical Society Library to mark over thirty years involvement with the university. It was painted by his friend Morton Grenhagen.[4]
Publications
[edit]- Efficiency tests of steam engine governors, and the variation in speed, during the single revolution, (1888) with Charles Billings Dix, Cornell University
References
[edit]- ^ a b "John G. Mack Dead: Chief State Engineer". Stevens Point Journal. Madison, Wisconsin. February 25, 1924. p. 6. Retrieved March 11, 2020 – via Newspapers.com.
- ^ a b "Obituaries". American Machinist. 60 (10). McGraw-Hill: 380b. 1924. Retrieved March 11, 2020 – via Google Books.
- ^ "Commencement! Another Class Finishes its Work at Cornell.— Farewell Eighty-eight". The Cornell Daily Sun (21 July 1888): 1. 1888. Retrieved October 1, 2016.
- ^ a b On the Presentation of the Mack Portrait to the State Historical Society The Wisconsin Magazine of History Vol. 8, No. 1 (September 1924), pp. 74-77 Wisconsin Historical Society
- ^ "Mack Improved Mannheim Simplex Slide Rule by Dietzgen". Smithsonian The National Museum of American History. Smithsonian The National Museum of American History. Retrieved October 1, 2016.
External links
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