William Duncan McNally explained

William Duncan McNally (July 8, 1882 – June 29, 1961) was the chief chemist in the Cook County Department of Public Health and the chief chemist for the Cook County Medical Examiner's office.^{[1] [2]} He invented an early breathalyzer in 1927.^[3]

He was a holder of M.D.

Biography

William Duncan McNally was born on July 8, 1882, in Saginaw, Michigan, to Elizabeth and Edward Henry McNally.^[4] He graduated from the University of Michigan in 1905.^[5]

He married Helen Marie Pierce on September 22, 1906, in Chicago, Illinois. By 1911 he was working as a chemist at Armour and Company in East St. Louis, Illinois.^{[6] [7]}

By 1918 he was the toxicologist for the Cook County Department of Public Health.^[8] He invented an early breathalyzer in 1927.^[3]

He died on June 29, 1961, in Mobile, Alabama.

Works

• Medical Jurisprudence and Toxicology (1939)
• Toxicology (1937)

Notes and References

1. News: Contributor's Column, W. D. McNally . Chemical Bulletin . February 1, 1923 . 2014-01-02 .
2. News: Contributor's Column, W. D. McNally . Chemical Bulletin . 32 . 2014-01-02 .
3. News: Test a Tippler's Breath . Popular Science. 56 . August 1, 1927 . 2014-01-02 .
4. William Duncan McNally in the World War II draft registration
5. Book: General Register for University of Michigan for 1904 . 1904 . . 297 .
6. News: Class of '05. Michigan Alumnus . 1910 . 2014-01-03 .
7. The Determination of Nitrogen in Commercial Ammoniates of High Nitrogen Content . September 1, 1911 . Journal of Industrial and Engineering Chemistry .
8. William Duncan McNally in the World War I draft registration