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 surrounded by a crowd of people in France. Text printed on accompanying strip of paper: "Howard Hughes as he landed in Paris on the first leg of his round-the-world flight. 7-11-38."

A view of Howard Hughes standing before microphones.

A view of Howard Hughes' Hercules in Culver City, California.