Samuel William Johnson, Date of Birth, Date of Death
TweetSamuel William Johnson
American chemist
Date of Birth: 03-Jul-1830
Date of Death: 01-Jan-1909
Profession: chemist
Nationality: United States
Zodiac Sign: Cancer 
About Samuel William Johnson
- Samuel William Johnson (3 July 1830 Kingsboro, New York – 1909) was a U.S.
- American agricultural chemist.
- He promoted the movement to bring the sciences to the aid of American farmers through agricultural experiment stations and education in agricultural science. Johnson, working in the 19th century, covered various aspects of farming that today would be called both organic and nonorganic.
- His work included exposing frauds in artificial manures (some of which would today be called chemical fertilizers).
Read more at Wikipedia