The first person to introduce standards for water quality testing in America, to establish relation between nutrition and chemistry, the discoverer of mineral called SAMARSKITE and the first special female student of Massachusetts Institute of Technology. A brief illustrated biography of Ellen Henrietta Swallow Richards for Children.
History for kids is a colorfully illustrated series for children, In this book we see briefly the life history of Dr. Salk. Dr.Jonas Salk was an American medical researcher and virologist. He discovered and developed the first successful inactivated polio vaccine.