Answer:
james smithson was an English chemist and mineralogist. He published numerous scientific papers for the Royal Society during the late 1700s as well as assisting in the development of calamine, which would eventually be renamed after him as "smithsonite".
Explanation:
Answer:
1969 - 1973 president richard m. nixon
Explanation assumed responsibility for the vietnam war as he swore the oath of office on january 20, 1969 . he knew that ending this war honorably was essential to his success in the presidency.