The Beatles and Muhammad Ali by Unknown Photographer, February 18, 1964.

While many of the photographers are unknown, the exhibition also includes work by acclaimed photojournalists like Robert Capa.

I immediately asked how I could see more, he recalls.

Muhammad Ali and The Beatles

The Beatles and Muhammad Ali by Unknown Photographer, February 18, 1964. Gelatin silver print; printed 1964

A must-see show for any lover of photography and history,Extra!

News Photographs from 1903-1975is a must-see show for any lover of photojournalism.

Amelia Earhart by Amelia Earhart, 1928.

Amelia Earhart

Amelia Earhart by Amelia Earhart, 1928. Gelatin silver print; printed 1928

Gelatin silver print; printed 1962

Sigmund Freud in Paris with U.S.

Ambassador Wilson C. Bullitt and Marie Bonaparte by Unknown Photographer, June 5, 1938.

Sigmund Freud in Paris with U.S. Patricia Hearst posing while with Symbionese Liberation Army by Unknown Photographer, April 3, 1974.

JFK in the Oval Office from behind

The Loneliest Job, President John F. Kennedy in his White House office by George Tames, 1961. Gelatin silver print; printed 1962

Sigmund Freud

Sigmund Freud in Paris with U.S. Ambassador Wilson C. Bullitt and Marie Bonaparte by Unknown Photographer, June 5, 1938. Gelatin silver print; printed c.1955

Mrs. Lloyd George, a suffragette, arrested for shouting, “I represent Tippeary”

Mrs. Lloyd George, a suffragette, arrested for shouting, “I represent Tippeary” by Unknown Photographer, c.1913. Early gelatin silver print

Lee Harvey Oswald shot by Jack Rudy in Dallas police headquarters

Lee Harvey Oswald, accused assassin of President Kennedy, shot by Jack Rudy in Dallas police headquarters by Robert H. Jackson, November 24, 1963. Gelatin silver print; printed 1966

Nguyen Ngoc Loan, the national police chief of South Vietnam, executed a Viet Cong fighter, Nguyen Van Lem, in Saigon

Nguyen Ngoc Loan, the national police chief of South Vietnam, executed a Viet Cong fighter, Nguyen Van Lem, in Saigon by Eddie Adams, February 1, 1968. Gelatin silver print; printed 1969

Patty Hearst

Patricia Hearst posing while with Symbionese Liberation Army by Unknown Photographer,April 3, 1974. Gelatin silver print; printed 1974

Extra! Extra!: News Photographs from 1903-1975 by Howard Greenberg Gallery

Sigmund Freud in Paris with U.S. Ambassador Wilson C. Bullitt and Marie Bonaparte by Unknown Photographer, 1938 (verso)

Extra! Extra!: News Photographs from 1903-1975 by Howard Greenberg Gallery

The Loneliest Job, President John F. Kennedy in his White House office by George Tames, 1961 (verso).

Extra! Extra!: News Photographs from 1903-1975 by Howard Greenberg Gallery

Patricia Hearst posing while with Symbionese Liberation Army by Unknown Photographer, April 3, 1974. (Verso)