Image of the executive headquarters at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of the executive headquarters at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Photograph of fingerprints removed from a curtain rod.

Photographs of fingerprints removed from a curtain rod.

Photograph of fingerprints removed from a curtain rod.

Photograph of fingerprints removed from a curtain rod.

Typed document by William Sinkin, President of San Antonio Fair, Inc. about San Antonio hosting a world's fair in 1968, called HemisFair. The document summarizes the administrative and financial work accomplished to date and outlines the road ahead for financial, local and state government support in order for the fair to become a reality.

Typed document by William Sinkin, President of San Antonio Fair, Inc. about San Antonio hosting a world's fair in 1968, called HemisFair. The document summarizes the administrative and financial work accomplished to date and outlines the road ahead for financial, local and state government support in order for the fair to become a reality.

Photograph of the Music of the Sea Memorial Fountain at Jefferson County Sub-Courthouse. A human figure leaning over and holding a shell to its ear is in the center of the fountain. Jets of water are spraying towards it. It was presented to the city in 1940 by Edith Smith Norton (Mrs. Charles R.) in memory of her father, Charles Eugene Smith. It was created by artist, Henry Hudson Kitson.

Photograph of Senator Hubert Humphrey of Minnesota being presented an Ambassador certificate for HemisFair by William Sinkin. Standing next to Hubert Humphrey is his wife, Muriel. There are other unidentified men standing in the background. Sinkin served as President of the Board of Directors of San Antonio Fair, Inc. from April 1963 - November 1964.

Photograph of an auditorium with politicians, journalists, and other people. The room has a tall ceiling with two windows over two air conditioning vents. A stylized bird is shown on a sign that stands over a long board that has been decked with ivy. Covered benches sit in front of this board, with the center topped with a lectern and flags on either side. Several people sit at this bench, with men in dark suits standing on either side. The floor before the bench has several tables with multiple people seated. Men can be seen carrying cameras.

Photograph of a white car with an open top and a U. S. flag mounted on its front right wheel well. Its passengers are mostly obscured, save for Lady Bird Johnson. The car is passing in front of the Fredericksburg High School band and a reversed sign that reads "wellkommen."

Photograph of a clergyman being filmed with Ludwig Erhard. Rows of people with cameras stand behind Erhard who is obscured by the white robed cleric.

Photograph of people standing in a churchyard along the walls of a stone church. Trees and hedges are present around the walls and Gothic windows.

Photograph of a cordoned street in front of the Fredericksburg Pioneer Memorial Library. A crowd is standing along the roped off sidewalk near a set of loudspeakers and a tree. A few people stand on the other side of the rope, with two men in particular standing in the street that leads to the library.

Photograph of people gathered in front of the Vereins-Kirche in Fredericksburg, Texas, in order to bid farewell to Ludwig Erhard. A banner written with "auf wiedersehen" stands in front of a batter's cage of an nearby baseball field. People mill about in the street near a white car that has a U. S. and a German flag attached to its front wheel wells.

Photograph of the Fredericksburg High School Band performing outside along a barricade and facing to the right. A man in a black suit stands among them to the right.

Photograph of the Fredericksburg High School Band lined up and in their uniforms. A pair of majorettes are holding poles of a banner that reads "Willkommen," which is German for "welcome."

Photograph of pianist Harvey Lavan "Van" Cliburn at a piano and chatting with a man who is smoking. Van Cliburn received world recognition when he won the first quadrennial International Tchaikovsky Piano Competition in Moscow in 1958 at the height of the Cold War.

Photograph of a helicopter over a field. A fence separates the field from homes.

Photograph of Hermann Sons Hall, a brick building festooned with bunting and bearing a sign that says "Welcome Press." Another sign below this reads "Press Center." Eight cars stand in front of the building.

Photograph of Hermann Sons Hall, a brick building festooned with bunting and bearing a sign that says "Welcome Press." Another sign below this reads "Press Center." Eight cars stand in front of the building.

Photograph of Lyndon Johnson and Ludwig Erhard standing together outside of a car. The men and the car are in the middle of a road in front of the Pioneer Memorial Library. People are standing around them and several are filming.

Photograph of Ludwig Erhard (portly man with white hair on the left), Lady Bird Johnson, Lyndon Johnson, and a Lutheran cleric surrounded by people. Three men to the right have cameras raised over the crowd to film the politicians.