John A. Kessler

John A. Kessler was a prominent American helicopter engineer and inventor, known for his significant contributions to rotorcraft technology. Throughout his career, he developed innovative helicopter designs and safety systems that improved helicopter performance and reliability. His work helped advance aviation safety and efficiency, especially in critical applications like emergency medical services and military operations. Kessler's engineering expertise and inventions have had a lasting impact on helicopter technology, making aerial rescue and transport safer and more effective.