Oxygen was independently discovered

Oxygen was independently discovered by

1. Rutherford

2. Joseph Priestley

3. Henry Cavendish

4. Niels Bohr

Correct Option: Option B,

Joseph Priestley

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Joseph Priestley 24 March [O.S. 13 March] 1733 – 6 February 1804) was an 18th-century English Separatist theologian, natural philosopher, chemist, innovative grammarian, multi-subject educator, and liberal political theorist who published over 150 works. He has historically been credited with the discovery of oxygen,having isolated it in its gaseous state, although Carl Wilhelm Scheele and Antoine Lavoisier also have strong claims to the discovery.