USPS Scott C69 8c US Air Mail Robert H Goddard 1964 Mint NH Plate Block 4 Stamps

USPS Scott C69 8c US Air Mail Robert H Goddard 1964 Mint NH Plate Block 4 Stamps. Material: Paper. Color: Multicolor. Made In United States. C69 Commemorates Dr. Robert Hutchins Goddard, the American physicist who is regarded as the “father of the modern rocket.” In 1926, he developed and launched the first successful liquid-fuel rocket. Goddard also directed research for the Navy in World War II and helped pave the way for America’s Cold War-era “Space Race.”