He grew up in Old Oraibi, Arizona, a village located on Third Mesa on the Hopi Reservation.
His photography collection consists of candid and posed photographs of family members and his community on the reservation.
He also focused on documentary images, which have become valuable assets to the history of life on the Hopi Reservation.
In an artist statement, Fredericks stated, "I have been taking pictures, mostly of friends and family, since the 1940s.
Privately, many Hopis approve of photography and want pictures of their families and celebrations, just like anyone else.