Part of the University of Pennsylvania Library, the Schoenberg Center for Electronic Text & Image offers a unique collection of chemistry related photographs. The pictures are in three categories and include scientist's portraits, apparatus images, and laboratory images. For example, a link to a 19th century pressure chamber brings up the photograph, information on the people in it, image...

Linus Pauling was one of the most important scientists of the 20th century, and he remains the only person ever to receive two unshared Nobel Prizes: the first was awarded to him for Chemistry (1954) and the other for Peace (1962). He was a man of remarkable talent, who had a vast array of scientific interests, and who always maintained a deep and abiding passion for humankind and its...