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Henry Steele Commager

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Henry Steele Commager was a highly influential American historian and liberal intellectual. He lived from October 25, 1902, until March 2, 1998. Commager spent his career studying how ideas shape societies and governments. He was a prolific writer who produced 40 books and 700 essays. His work focused on intellectual and cultural history. This means he studied how people's thoughts and beliefs changed over time. He believed that history should be accessible to the general public. He did not want his work to remain only for academic experts.

Commager's academic journey began in Pittsburgh, Pennsylvania. After his mother passed away when he was ten, he moved to Chicago. He attended the University of Chicago to study history. He earned his Bachelor of Philosophy in 1923 and his Master of Arts in 1924. He completed his Doctor of Philosophy in 1928. For his dissertation, he researched political reform in Denmark. He even lived in Copenhagen, Denmark, for one year to conduct this research. His early work focused on the Enlightenment reformer Johann Friedrich Struensee.

As his career progressed, Commager shifted his focus toward American history. This change happened under the guidance of his mentors at Chicago. He studied under constitutional historian Andrew C. McLaughlin. He also worked with colonial historian Marcus W. Jernegan. Commager held teaching positions at several major institutions. He taught at New York University from 1926 to 1939. He then moved to Columbia University, where he taught from 1939 to 1956. Finally, he taught at Amherst College from 1956 until 1992.

Commager was a master of the intellectual history genre. This type of history examines the evolution of ideas. One of his most important works is "The American Mind." Published in 1950, it analyzes American thought from the 1880s to the 1940s. He also wrote "Empire of Reason" in 1977. This book explores how America realized the ideals of the European Enlightenment. He also wrote a famous biography of the reformer Theodore Parker in 1936. These books helped define the concept of modern liberalism in the United States.

Beyond writing books, Commager was a vital editor of historical documents. He co-authored the textbook "The Growth of the American Republic" with Samuel Eliot Morison. He also edited "Documents of American History." This collection was first published in 1938. It went through ten editions by 1988. He even worked with his former student, Milton Cantor, on the final edition. He also created collections of primary sources about the Civil War and the American Revolution. These works allowed people to read the actual words of historical participants.

Commager used his platform to advocate for constitutional principles and civil rights. He was a vocal critic of McCarthyism during the 1940s and 1950s. He also opposed the Vietnam War on constitutional grounds. He criticized several presidents, including Richard Nixon and Ronald Reagan. He argued that they sometimes abused presidential power. For example, he questioned the secrecy of the Central Intelligence Agency budget. He believed the Constitution required Congress to approve all federal spending. He also became a strong supporter of civil rights for African Americans.

His influence extended to international ideas and global cooperation. In 1975, he wrote the "Declaration of Interdependence." This document was presented to the World Affairs Councils of Philadelphia. It was formally signed in 1976 at Congress Hall in Philadelphia. The document urged nations to work together on several key issues. These included international law, the conservation of natural resources, and disarmament. It also called for the peaceful exploration of outer space. Commager believed that an educated public was essential for a healthy democracy.

Throughout his life, Commager remained a dedicated mentor to many students. At Columbia University, he guided many scholars toward their PhD degrees. These students became distinguished historians themselves. At Amherst College, he focused his mentorship on undergraduate students. He believed that historians had a duty to speak to the whole world. Even when his early textbooks faced criticism for their views on race, his impact remained vast. He died in Amherst, Massachusetts, at the age of ninety-five. His long career left a permanent mark on how Americans understand their past.

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