"I found in your photographs at Wanamakers sincerity,
psychology and artistry. I welcome you as a contemporary."
–Gertrude Käsebier, New York, 1921

"Of course I knew Hoppé's photographs for years."
–Alfred Stieglitz, New York, 1921

"The Master."
–Cecil Beaton, London, 1945

"The most famous photographer in the world in the 1920s."
–Bill Jay, Tempe, Arizona, 1983

"The ‘missing link’ in British photography
between Frederick Evans and those contrasting moderns,
Bill Brandt and Cecil Beaton."
–Mark Haworth-Booth, London, 2006