Henry Gage completed his legal education in Michigan and practiced law in East Saginaw before relocating to Los Angeles, where he transitioned into the sheep trade. He returned to law and gained prominence as Los Angeles City Attorney. Gage's career included significant roles in both the public and private sectors, including a stint as a federal prosecutor. He was elected as the 20th governor of California, during which he advocated for the annexation of the Philippines and supported educational reforms, such as the establishment of California Polytechnic State University. Gage also served as U.S. Minister to Portugal.

Henry Gage's political identity is marked by an intriguing blend of expansionist foreign policy and restrictive domestic measures. Advocating for the annexation of the Philippines, Gage simultaneously pushed for stringent press censorship to limit political discourse. His establishment of California Polytechnic State University reveals a nuanced approach to education, balancing innovation with traditional values. Gage's decision to drop charges against the *Itata* crew, citing governmental error, showcases a pragmatic yet principled stance on legal matters.