Jiro Nagasawa (February 2,1932--March 23,2010) was a Japanese Olympic swimmer credited with the invention of the modern Butterfly stroke.
He is credited with the invention of the modern Butterfly stroke. Jiro Nagasawa (February 2,1932--March 23,2010) was a Japanese Olympic swimmer.
Jiro Nagasawa (February 2,1932--March 23,2010) was a Japanese Olympic swimmer. He is credited with the invention of the modern Butterfly stroke.
Jiro Nagasawa (February 2,1932--March 23,2010) was a Japanese Olympic swimmer. He is credited with the invention of the modern Butterfly stroke.