son, kenneth green, jr., says his father pointed the camera at his own community. >> he had interestng sure that black people looked good. my mom was the love of his life, but he also amassed a very large collection of other women. >> reporter: some of those photos are part of a current exhibit in san francisco's library, devoted to green's career. >> no one cared to document the black woman during the civil rights movement. fashion, entertainment, and politics is the proof that the black esthetic and the identity has always and will be revolutionary. >> reporter: green's career with the tribune began in 1968. it ended june 25th, 1982. >> he was trying to take a better than average picture of some train cars, and he lost his life. >> reporter: in the moments before he died, green said he misjudged the train that struck him. >> he died with the camera in his hand. >> reporter: kenneth green, jr., was 12 when his dad died. in recent years, he sought to find his father in the 80,000 negatives he left behind. >> i've learned so much about who i am and the family is in the bay area is thr