| Julia Margaret Cameron Sir John Frederick William Herschel, 1st Bt 1867 (taken) 1893 (published) Photogravure National Portrait Gallery - NPG Acquired unknown source, 1939, Photographs Collection, NPG Ax29135 LL/114390 Published by T. Fisher Unwin.
Sir John Frederick William Herschel, 1st Bt (1792-1871), Mathematician and astronomer; son of William Herschel.
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