From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The slide reads: "Comparison of the cumulative estimated dose with diagnostic x-rays 1951 to 1958.

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). 

The black and white view of Howard Hughes and his crew at a parade after he completed his Round-The-World flight in New York.

A view of Howard Hughes and Grover Whalen at Floyd Bennett Airfield in New York. Description printed on photograph's accompanying sheet of paper: "Grover Whalen greets Hughes. New York City-- His face covered by stubble and still wearing his battered hat, Howard Hughes is taken in tow by Grover Whalen, World's Fair head, shortly after Hughes and his companions set their plane down at Floyd Bennett Airport here, completing their dramatic dash around the world. Credit Line (ACME) 7/14/38"