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1863–1943
A pioneering American meteorologist, he helped bring weather science into a more modern era through observation, research, and public service. His career stretched from the early U.S. Weather Bureau to Harvard and the Blue Hill Meteorological Observatory.

by Alexander McAdie
Born in New York City in 1863, Alexander George McAdie joined the Army Signal Service while still in college, at a time when it handled much of the nation’s weather work. He graduated from Harvard in 1885 and went on to build a long career in meteorology.
McAdie is especially remembered for leading the U.S. Weather Bureau office in San Francisco from 1903 to 1913. He later became the Rotch Professor of Meteorology at Harvard and director of the Blue Hill Meteorological Observatory, where he continued research and teaching for many years.
His work connected practical forecasting with scientific study, and he wrote widely on weather and the atmosphere. For listeners interested in the history of science, he stands out as one of the figures who helped shape American meteorology in the late 19th and early 20th centuries.