(March 7, 1792 – May 11, 1871)
He was an English mathematician, astronomer, chemist, and a photographer/inventor. He contributed to photography when it first emerged in 1839. Herschel believed that the study of nature was also an avenue to the understanding of God’s creation.
https://www.bing.com/images/search?q=John+Herschel+Photography+Bio&FORM=IRTRRL
Mws R Writings 