A back view of Howard Hughes Grover Whalen, and Al Lodwick riding in the back of an automobile and a crowd consisting of thousands of people who attended a parade that celebrated Howard Hughes completion of his flight round-the-world flight in New York City.
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.