Frederick Brant Rentschler created the aircraft for which female aviator to first fly solo across the Atlantic Ocean?
Frederick Rentschler:  Rentschler created and manufactured many revolutionary aircraft engines, including those used in the aircraft of Charles Lindbergh, Amelia Earhart and James Doolittle. Amelia Earhart: Amelia Mary Earhart ( , born July 24, 1897; disappeared July 2, 1937) was an American aviation pioneer and author. Amelia Earhart:  Earhart was the first female aviator to fly solo across the Atlantic Ocean.
i don't know