Sir Frank Whittle was a British engineer and inventor, best known for developing the first practical jet engine. Born on June 1, 1907, in Coventry, England, he joined the Royal Air Force in 1923, where he began to explore the concept of jet propulsion. His innovative designs laid the groundwork for modern aviation. In 1937, Whittle patented his jet engine design, which was later used in military and commercial aircraft. His work significantly transformed air travel, making it faster and more efficient. Whittle's contributions earned him recognition as a pioneer in the field of aerospace engineering. He was knighted in 1948 for his achievements.