Niizuma was born in Tokyo and studied at the National Tokyo University of Fine Arts. He moved to New York City in 1959 and taught at the Brooklyn Museum Art School and Columbia University. He worked primarily in stone, creating abstract geometric and organic designs. Niizuma's work is in public collections in the United States, Europe and Japan, including the Museum of Modern Art, the Solomon R. Guggenheim Museum and the Hirshhorn Museum and Sculpture Garden. See his New York Times obituary (September 29, 1998) for more information.