![John Frederick Herschel, English astronomer and scientist - Stock Image - C045/4602 - Science Photo Library John Frederick Herschel, English astronomer and scientist - Stock Image - C045/4602 - Science Photo Library](https://media.sciencephoto.com/c0/45/46/02/c0454602-400px-wm.jpg)
John Frederick Herschel, English astronomer and scientist - Stock Image - C045/4602 - Science Photo Library
![On the action of the rays of the solar spectrum on vegetable colours, and on some new photographic processes | John Frederick William HERSCHEL, Sir | First edition On the action of the rays of the solar spectrum on vegetable colours, and on some new photographic processes | John Frederick William HERSCHEL, Sir | First edition](https://www.sophiararebooks.com/pictures/4782.jpg)
On the action of the rays of the solar spectrum on vegetable colours, and on some new photographic processes | John Frederick William HERSCHEL, Sir | First edition
![John F W Herschel's notebook, 1839. by Herschel, John F W (John Frederick William), Sir at Science and Society Picture Library John F W Herschel's notebook, 1839. by Herschel, John F W (John Frederick William), Sir at Science and Society Picture Library](https://s3-eu-west-1.amazonaws.com/lowres-picturecabinet.com/43/main/12/91376.jpg)
John F W Herschel's notebook, 1839. by Herschel, John F W (John Frederick William), Sir at Science and Society Picture Library
![Engraved Portrait of a Young Woman., Sir John Frederick William Herschel (British, 1792 - 1871), about 1842, Cyanotype, 10.2 x 7.8 cm (4 x 3 1/16 in Stock Photo - Alamy Engraved Portrait of a Young Woman., Sir John Frederick William Herschel (British, 1792 - 1871), about 1842, Cyanotype, 10.2 x 7.8 cm (4 x 3 1/16 in Stock Photo - Alamy](https://c8.alamy.com/comp/W51X0N/engraved-portrait-of-a-young-woman-sir-john-frederick-william-herschel-british-1792-1871-about-1842-cyanotype-102-x-78-cm-4-x-3-116-in-W51X0N.jpg)
Engraved Portrait of a Young Woman., Sir John Frederick William Herschel (British, 1792 - 1871), about 1842, Cyanotype, 10.2 x 7.8 cm (4 x 3 1/16 in Stock Photo - Alamy
![On the action of the rays of the solar spectrum on vegetable colours, and on some new photographic processes | John Frederick William HERSCHEL, Sir | First edition On the action of the rays of the solar spectrum on vegetable colours, and on some new photographic processes | John Frederick William HERSCHEL, Sir | First edition](https://www.sophiararebooks.com/pictures/4782c.jpg?v=1557749787)
On the action of the rays of the solar spectrum on vegetable colours, and on some new photographic processes | John Frederick William HERSCHEL, Sir | First edition
![Sir John Frederick William Herschel, 1st Baronet (1792-1871), English Polymath who Invented the Blue Print, Head and Shoulders Portrait, Steel Engraving, Portrait Gallery of Eminent Men and Women of Europe and America Sir John Frederick William Herschel, 1st Baronet (1792-1871), English Polymath who Invented the Blue Print, Head and Shoulders Portrait, Steel Engraving, Portrait Gallery of Eminent Men and Women of Europe and America](https://c8.alamy.com/comp/TWH1B4/sir-john-frederick-william-herschel-1st-baronet-1792-1871-english-polymath-who-invented-the-blue-print-head-and-shoulders-portrait-steel-engraving-portrait-gallery-of-eminent-men-and-women-of-europe-and-america-by-evert-a-duyckinck-published-by-henry-j-johnson-johnson-wilson-company-new-york-1873-TWH1B4.jpg)