Gustavus Wynne Cook (December 12, 1867 – June 4, 1940) was an American banker, businessman, and amateur astronomer. Cook was born in

Philadelphia Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ...

Pennsylvania Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (United States), Mid-Atlantic, Northeastern United States, Northeastern, Appalachian, and Great Lakes region, Great Lakes regions o ...

, the son of Lavinia Borden and Richard Yerkes Cook (a descendant of Dr. Thomas Wynne). He married Nannie Mumford Bright and they lived at Roslyn House in

Wynnewood, Pennsylvania Wynnewood is a suburban Unincorporated area#United States, unincorporated community, located west of Philadelphia, straddling Lower Merion Township, Pennsylvania, Lower Merion Township in Montgomery County, Pennsylvania and Haverford Township, D ...

. The Roslyn House Observatory was in their home. They had two daughters, Nancy Wynne Cook Putnam (1897–1980) and Lavinia Cook Wright. Cook was president of the South Chester Tube Company (now Southco) and the South Chester Terminal and Warehouse. The Flower and Cook Observatory located in

Malvern, Pennsylvania Malvern is a borough in Chester County, Pennsylvania, United States. It is west of Philadelphia. The population was 3,419 at the 2020 census. History The area was originally settled in the 17th century by Welsh immigrants who purchased lan ...

, which was part of the

University of Pennsylvania The University of Pennsylvania (Penn or UPenn) is a Private university, private Ivy League research university in Philadelphia, Pennsylvania, United States. One of nine colonial colleges, it was chartered in 1755 through the efforts of f ...

, is named in his honor. He was elected to the

American Philosophical Society The American Philosophical Society (APS) is an American scholarly organization and learned society founded in 1743 in Philadelphia that promotes knowledge in the humanities and natural sciences through research, professional meetings, publicat ...

in 1934.

References

1867 births 1940 deaths Businesspeople from Philadelphia American bankers University of Pennsylvania people {{US-business-bio-1860s-stub Members of the American Philosophical Society