Linus Carl Pauling was an American physical chemist who was a firm believer in high doses of Vitamin C. He introduced the concept of electro negativity in 1932, and he also formulated a model for the structure of hemoglobin. Pauling retired in 1974.
             Pauling was born in Portland, Oregon. Pauling had to move to several different cities in Oregon from 1903 to 1909. When is father died in 1910, of a perforated ulcer, his mom was left to care for Pauling and his two younger Siblings. Pauling read many books as a kid, and at one point his father wrote a letter to a local paper inviting suggestions of additional books that would occupy his time. In high school, Pauling studied Chemistry.
             He entered the Oregon State College in 1917, receiving the degree of B.Sc. in chemical engineering in 1922. During the years 1919-1920 he served as a full-time teacher of quantitative analysis in the State College, after which he was appointed a Teaching Fellow in Chemistry in the California Institute of Technology and was a graduate student there from 1922 to 1925, working under Professor Roscoe G. Dickinson and Richard C. Tolman. In 1925 he was awarded the Ph.D. (summa cum laude) in chemistry, with minors in physics and mathematics. He entered the Oregon State College in 1917, receiving the degree of B.Sc. in chemical engineering in 1922. During the years 1919-1920 he served as a full-time teacher of quantitative analysis in the State College, after which he was appointed a Teaching Fellow in Chemistry in the California Institute of Technology and was a graduate student there from 1922 to 1925, working under Professor Roscoe G. Dickinson and Richard C. Tolman. In 1925 he was awarded the Ph.D. (summa cum laude) in chemistry, with minors in physics and mathematics.
             Since 1919 his interest lay in the field of molecular structure and the nature of the chemical bond, inspired by papers by Irving Langmuir on the application of the Lewis
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