Mathew Carey Lea

Mathew Carey Lea
Born	(1823-08-18)August 18, 1823 Philadelphia, Pennsylvania, U.S.
Died	March 15, 1897(1897-03-15) (aged 73) Philadelphia, Pennsylvania, U.S.
Burial place	Laurel Hill Cemetery, Philadelphia, Pennsylvania, U.S.
Occupation(s)	Chemist, lawyer
Spouses	Elizabeth Jaudon ​ ​ (m. 1852; died 1881)​ Eva Lovering
Relatives	Isaac Lea (father) Frances Anne Carey (mother) Henry Charles Lea (brother) Henry Charles Carey (uncle) Matthew Carey (grandfather)
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Mathew Carey Lea (August 18, 1823 – March 15, 1897) was an American chemist known for his research on the chemical and physical properties of silver halide salts and their usage in photography. He pioneered early work in mechanochemistry and developed Carey Lea Silver, a photochemical still in use today.