VOA-Sparrow Clinic The VOA-Sparrow Clinic is a collaboration between Volunteers of America and Sparrow Hospital, providing both physical and mental health care to the homeless in the Lansing area. Their location is 430 N Larch in Lansing.
Answers. Best Answer: Proposed to be an element by Carl Wilhelm Scheele in 1774, manganese was discovered by Johan Gottlieb Gahn, a Swedish chemist, by heating the mineral pyrolusite (MnO2) in the presence of charcoal later that year.
Joseph Black recognized magnesium as an element in 1755. It was isolated by Sir Humphry Davy (1778-1829) in 1808 almost 200 years after its discovery. He electrolysised mixture of magnesia (magnesium oxide, MgO) and mercuric oxide (HgO). Davy's first suggestion for a name was magnium but the name magnesium is now used.istory. In 1618 a farmer by the name of Henry Wicker at Epsom in England attempted to give his cows water from a well. They refused to drink because bitter taste of the water. However the farmer noticed that the water seemed to heal scratches and rashes.