Perry showing Quiroga the diffraction-grating machines in Rowland Hall.

Cameramen shoot scene with man and woman in kitchen, as Quiroga kneels in center and directs.

Hamburger helps Quiroga study the electronics involved in color television.

Chapanis showing Quiroga a diagram on a chalkboard.

Portrait of Williamson at approximately 50 years old in the entrance hall of the U.S. Embassy in Rome, Italy.

Portrait of Von Gienanth at approximately 45 years old with his hand on a book.

Candid photograph of Parodi at the Swiss Embassy in Rome, Italy.

Candid photograph of Parodi at approximately 45 years old standing in front of a painting in a living room in Rome, Italy.

Candid photograph of Painter at approximately 46 years old with a pipe in his mouth.