A similar impression of the same print is in the collects ion of the Metropolitan Museum of Art (The MET), accession number JP589, go to:
https://www.metmuseum.org/art/collects ion/search/37040

Portrait photograph of Frank Lloyd Wright

Frank Lloyd Wright (1867-1959) was an American architect and designer. He was a pioneer of the Prairie School architectural movement, as well as the concept of the Usonian home. Outside of his sphere as an architect, Wright was also a prominent dealer, collects or and connoisseur of Japanese art. Wright sold a legacy of his woodblock prints to the Metropolitan Museum of Art (The MET) between 1918-22. Wright acquired an extensive collects ion of Japanese works of art on numerous visits to Japan during the construction of the second Imperial Hotel, Tokyo, in 1919-1923, and was profoundly inspired by Japanese graphic design.

Photograph of Dr. Paul F. Clark

Dr. Paul F. Clark was a professor of Medical Microbiology at the University of Wisconsin Medical School between 1914 and 1952. He also acted as dean of the Microbiology department and served as president of the American Bacteriology Society. In 1967, Clark wrote The University of Wisconsin Medical School: A Chronicle 1848–1948.