Sir John Herschel April 1867 Julia Margaret Cameron British, born India Sir John Herschel (1792-1871) was Victorian Englands preeminent scientist, astronomer, and mathematician, considered the equal of Sir Isaac Newton. Cameron met him in 1836 in Capetown, South Africa, where she was recuperating from illness and he was charting the stars of the southern hemisphere and recording the native flora. Just a few years later Herschel wrote to her in Calcutta of Henry Talbots invention of photography and sent her the first photographs she had ever seen—scientific discoveries that were “water to the parched lips of the starved,” she recalled. Of her 1867 portraits of Herschel, she wrote: “From my earliest girlhood I had loved and honoured him, and it was after a friendship of 31 years duration that the high task of giving his portrait to the nation was allotted to me,” sounding a bit as though she were working on a divine commission rather than on a personal, spiritual, artistic quest—with,