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.
AndrÃ©s Manuel del RÃ­o discovered compounds of vanadium in 1801 in Mexico by analyzing a new lead-bearing mineral he called brown lead, and presumed its qualities were due to the presence of a new element, which he named erythronium (derived from Greek for red) since, upon heating, most of the salts turned red.