In 1954, he went to the United States,[1] and briefly enrolled in the School of Modern Photography in New York.

[2] He was dissatisfied with the school, however, and apprenticed himself to the studio of Lester Bookbinder and Reuben Samberg.

At the end of 1956, he gained an apprenticeship at Richard Avedon's fashion photography studio in New York City.

[1] One of his early celebrated photographs is a 1963 image of a Harry Winston diamond necklace placed on a bovine hoof.

[1] Surreal and unique, Hiro's photographs are noted for their elegance and clean appearance.