Alexander Emmanuel Rodolphe Agassiz, son of Louis Agassiz and stepson of Elizabeth Cabot Agassiz, was an American scientist and engineer.
Alexander Agassiz
Agassiz c. 1860
Castle Hill Inn, Agassiz's Newport cottage
Jean Louis Rodolphe Agassiz FRS (For) FRSE was a Swiss-born American biologist and geologist who is recognized as a scholar of Earth's natural history.
Louis Agassiz
Agassiz in 1870
With Benjamin Peirce
Portrait photograph by John Adams Whipple, circa 1865