Charles Cuprill Oppenheimer (September 12, 1916 – October 7, 2011) was a lawyer, Rotary District Governor for Puerto Rico, a war veteran, and a retired major general in the Puerto Rico National Guard. Background Cuprill Oppenheimer was born on September 12, 1916, in the city of Ponce, Puerto Rico. Ponce was the second-largest city in Puerto Rico and was important economically, culturally, socially, and politically at the time. Cuprill's parents were Ramón Fundador Cuprill Rivera and Isabel Oppenheimer Figueroa. He had five siblings: Lydian, Irma, Warren, Charles Evans, and Rambel. Cuprill Oppenheimer married his college sweetheart, Lidia María Hernández Collazo, whose father, civil engineer José Alfredo Hernández Buitrago, worked for almost five decades at the prominent Central Mercedita sugar cane plantation refinery and Don Q rum distillery. Cuprill and Lidia were married for over 60 years and had three children: Charles Alfred, Hector Rambel, and Raymond Warren. Cuprill loved spending time with his six grandchildren, Marilu, Natalie, Hector, Mercedes, Charles, and Diana, as well as his many great-grandchildren. He enjoyed the simple things in life and the company of his family and friends. Cuprill and Lidia traveled extensively throughout the North American Continent, Europe, Asia, Latin America, the Caribbean, and the Middle East. Cuprill had a special retreat called "Monticello" in the majestic mountains of Puerto Rico, where he enjoyed spending time with friends and family. He was an avid world traveler with his wife, Lidia. Military career Charles Cuprill Oppenheimer was a veteran of both World War II and the Korean War. In 1940, he enrolled in the Army Reserve Officers' Training Corps (ROTC) program and graduated. He took a temporary leave of absence from attending the University of Puerto Rico School of Law in 1941-1942 when he was asked to serve in the United States Army during World War II as a 2nd lieutenant in Company "L" of the 65th Infantry Regiment. After World War II ended, he was honorably discharged from active duty military service in 1946 with the rank of major, at the age of 30, to resume the pursuit of a law degree and a law career. In 1950-1953, Cuprill Oppenheimer was ordered to return to military active duty with the Puerto Rico National Guard during the Korean War, which interrupted his law practice once again. During the war, he commanded the 3rd Battalion of the 296th Infantry Regiment, which provided replacements to its sister