Fig. 1From: Lost and found: the posthumous portrait of Louis Agassiz by Henry Ulke (1876), and their noteworthy relationshipPosthumous portrait of Louis Agassiz by Henry Ulke (oil on canvas), signed and dated (1876) in lower left-hand corner, after restoration (ex Ulke Family Collection, Swann 2013, sale 2324, lot 328, in part); courtesy of ERB libraryBack to article page