Biographies of Distinguished Scientific Men by François Arago. Published 1859; translated by Admirial W. H. Smith, Rev. Baden Powell and Robert Grant.
This is the first series (of 2) of Arago’s memoirs of eminent 19th Century scientists. It includes an autobiography of Arago, and biographies of Bailly, Herschel, LaPlace, and Fourier.
François Arago (Feb 26, 1786 - Oct 2, 1853) was a physicist, mathmetician, astonomer, and politician. He has Lunar, Martian, and Neptunian features named for him. Read more about him at the wikipedia.
Thanks to Martin Pettit for Post-processing this book!