Ari Arthur Hoogenboom (/'hoʊ gɛn buːm/, HOH-gen-boom; November 28, 1927 – October 25, 2014) was professor emeritus of history at Brooklyn College at the City University of New York. He was a scholar of the Gilded Age, particularly regarding the life and presidency of Rutherford B. Hayes.^[1]

Hoogenboom grew up in the Queens borough of New York City, where he graduated from John Adams High School. He later earned a bachelor's degree from Atlantic Union College. While at Atlantic, he met and married his wife, Olive, with whom he would later collaborate on several books. He attended graduate school at Columbia University, where he earned his M. A. and Ph. D., and was a student of David Herbert Donald.^[2] He taught history from 1956 to 1958 at the University of Texas at El Paso, and from 1958 to 1968 at Pennsylvania State University. He was awarded a Guggenheim Fellowship in 1965.^[3] Finally, from 1968 to 1998, he taught at Brooklyn College.

After his retirement from Brooklyn College, Hoogenboom authored Rutherford B. Hayes: One of the Good Colonels, and Gustavus Vasa Fox of the Union Navy: A Biography, about Assistant Secretary of the Navy Gustavus Fox. He worked with his wife, Olive, on one of her books, Washington Women: The Woodbury Sisters.^[4]

With his wife, Hoogenboom fathered three children: Lynn, Ari, and Jan.

Hoogenboom died in 2014, aged 86, from complications of mesothelioma.^[4]

• Booknotes interview with Hoogenboom on Rutherford B. Hayes: Warrior & President, July 2, 1995
• Life Portrait of Rutherford B. Hayes from C-SPAN's American Presidents: Life Portraits series, which heavily featured Hoogenboom