Frank George Seyfang (June 17, 1890 - February 10, 1963) was a pioneer balloonist who developed the windsock balloon. He was a protégé of Thomas Scott Baldwin.
Frank George Seyfang (June 17, 1890 - February 10, 1963) was a pioneer balloonist who developed the windsock balloon. He was a protégé of Thomas Scott Baldwin. (en)
Frank George Seyfang (June 17, 1890 - February 10, 1963) was a pioneer balloonist who developed the windsock balloon. He was a protégé of Thomas Scott Baldwin. (en)