Rear Admiral Grace Hopper was a pioneering computer scientist and naval officer who fundamentally shaped the development of modern computing. Born in New York City in 1906, she earned her bachelor's degree in mathematics and physics from Vassar College in 1928, followed by a master's degree and Ph.D. in mathematics from Yale University in 1930 and 1934, becoming the first woman to earn a mathematics doctorate from Yale. She served as a mathematics professor at Vassar College from 1931 to 1943 before joining the US Navy Reserve during World War II. Her military service led her to the Harvard Computation Laboratory where she began her groundbreaking work with the Harvard Mark I computer as one of its first programmers.
Dr. Hopper revolutionized computer programming through her development of foundational concepts and tools that transformed how humans interact with machines. She authored the first computer programming manual for the Mark I computer, establishing systematic approaches to programming that had never existed before. In 1952, she and her team created the first compiler for computer languages, a visionary achievement that enabled programmers to use English-like commands rather than machine code. Her development of the Flow-MATIC language and pivotal role in creating COBOL in 1959 established the standard for business computing that remains in use across industries today, demonstrating her foresight in machine-independent programming languages.
Hopper's legacy extends far beyond her technical contributions to include her profound influence on computing culture and education. She retired from the US Navy with the rank of rear admiral in 1986, having become the oldest active-duty officer at age 79, and subsequently served as a senior consultant to Digital Equipment Corporation until her death. Her prestigious recognition included the US National Medal of Technology in 1991, making her the first female individual recipient of this highest technology honor. A US Navy guided-missile destroyer, USS Hopper (DDG-70), is named in honor of Rear Admiral Grace Hopper, who was both a pioneering computer scientist and mathematician, while the finding of the first 'computer bug' – a literal moth causing a malfunction in the Harvard Mark II computer by a team including Grace Hopper in 1947, an incident later popularized by Hopper in her public lectures and widely associated with her name in computing lore – cemented her place in both technological history and popular culture.