He was a botanist so he discovered plants.
he contributed the electromagnetic induction before faraday...:))))))))))
hUDSON bAY
Henry Skaggs
Joseph Henry
Joseph Henry did not discover oxygen. Joseph Priestley and Carl Wilhelm Scheele are the two men who independently discovered oxygen in 1774. Scheele actually discovered it first, but Priestley was the first to publish his findings. Joseph Henry is the person who discovered the electromagnetic phenomenon of self-inductance.
Joseph Black did discover carbon dioxide.
Joseph Henry Steele died in September 1980.
Joseph Henry (uom = Henry)
Joseph Henry Lumpkin died in 1867.
Joseph Henry was born on December 17, 1797.
Joseph Henry was born on December 17, 1797.
Joseph Henry Thayer died in 1901.
Joseph Henry Thayer was born in 1828.
Joseph Henry Hughes was born in 1857.
Joseph Henry Marshall was born in 1854.
Joseph Henry Marshall died in 1919.