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.
In 1909, Giesen published in England a lengthy account on the chromium-nickel (austenitic 300 series) stainless steels. Also in England and France, Portevin published studies on an alloy that today would be 430 stainless steel.