Oxygen
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 was born on December 17, 1797.
Joseph Henry was born on December 17, 1797.
Henry Joseph Grayson died in 1918.
Henry Joseph Grayson was born in 1856.
Joseph Henry Green was born in 1791.
Joseph Henry Green died in 1863.
Joseph Henry Conroy was born in 1858.
Joseph Henry Conroy died in 1939.