Demonstrators outside Conrad Hilton Hotel in Chicago, protesting the Democratic Convention, August 30, 1968

A young Yippie hangs on to a lamp post and vents his anger at advancing National Guard troops who had been called in to disperse a mob of Yippies. Some 2,500 Yippies had gathered early today and were staging a demonstration in Grant Park across the street from the Hilton hotel which serves as headquarters for Humphrey and McCarthy forces and many delegates, August 28, 1968

Part of a collection of weapons that were picked up at scenes of disturbances during the Democratic National Convention last week were displayed by Chicago's police department in answer to heavy criticism aimed at Mayor Richard Daley. At left is a rubber ball imbedded with nails and at right, black widow spider, September 6, 1968

Builders and doctors in Brasilia: Brasilia, the most modern capital city in the world has 65,000 inhabitants in 1959. Today, its population totals 250,000. In three years, this figure will increase to 500,000. Since the first foundations were laid, builders and doctors have worked closely together, first to see to it that the 60,000 workers who took part in building the new city stayed in good health; then to prevent the town from being invaded by diseases of the bush and forest. Immigrants' health are checked systematically on the roads in order to discover possible sources of dangerous disease. The statue entitled "The Builders" on the square called "Three Powers". Ca, 1960s

Synal Chaen (Zeynal Khan Shamlu), Persian Ambassador in Prague, 1604

Aegidius Sadeler, II

Jan van de Velde the Elder, Calligrapher in Haarlem, c. 1604

Jacob Matham

Police said there was no other way to make arrests: police officer dragging marcher by the feet during "Bloody Sunday", Selma, March 7, 1965

Linked armed demonstrators begin singing songs after they broke police barricades outside the site of the House Un-American activities hearings. About 30 unruly demonstrators stormed the barricades. Paint covers the demonstrators face thrown by an unidentified by-stander, Chicago, May 27, 1965

Integrationists defying a threat of prosecution threw up picket lines in their second classroom boycott in four months. Pickets, including sign carrying students are shown outside Hyde Park High School, Chicago. There were no arrests during first hours of "Freedom Day" boycott, but authorities warned that anyone who blocked a child from going to school would be prosecuted, February 25, 1964

Rights Marchers Flanked by Police Guard: With a single file of police walking along each side, a long procession of civil rights marchers proceed along sidewalk of Pulaski Road during demonstration against real estate practices Friday, Chicago, August 13, 1966

Civil Rights March in Cicero: Civil rights march is conducted in Cicero today in close quarters on Cicero Avenue, main street of this suburb of Chicago. At left, the police; then National Guardsmen with bayonets on rifles, then marchers, September 4, 1966

Builders and doctors in Brasilia: Brasilia, the most modern capital city in the world has 65,000 inhabitants in 1959. Today, its population totals 250,000. In three years, this figure will increase to 500,000. Since the first foundations were laid, builders and doctors have worked closely together, first to see to it that the 60,000 workers who took part in building the new city stayed in good health; then to prevent the town from being invaded by diseases of the bush and forest. Immigrants' health are checked systematically on the roads in order to discover possible sources of dangerous disease. Men employed in construction live in these huts. Ca, 1960s

View of Buenos Aires, Argentina, 1960s

Builders and doctors in Brasilia: Brasilia, the most modern capital city in the world has 65,000 inhabitants in 1959. Today, its population totals 250,000. In three years this figure will increase to 500,000. Since the first foundations were laid, builders and doctors worked closely together, first of all to see to it that the 60,000 workers who took part in building the new city stayed in good health, then to prevent the town from being invaded by the diseases of bush and forest. Immigrants' health is checked systematically on the road into Brasilia, while specialists study the flora and fauna of the environment in order to discover possible sources of dangerous diseases. Brasilia has been designed with vast open spaces separating the main buildings, 1960s

Tycho Brahe, Astronomer, c. 1595

Jacques de Gheyn, II

Joost Buyck, Burgomaster of Amsterdam, 1588

Jan Harmensz. Muller

Jan Pietersz. Sweelinck, Organist and Composer in Amsterdam, 1624

Jan Harmensz. Muller

Dirck Volkertsz. Coornhert, 1590

Jan Harmensz. Muller

Hendrick Goltzius, 1618, altered in 1630

Jacob Matham

Hendrick Goltzius, 1618, altered in 1620

Jacob Matham