- Steven Spielberg (allthetropes.org)
Every so often someone emerges in a field and manages to not only revolutionize it, but do so several times. Steven Spielberg is one of those people, with a career that has gone uninterrupted since the mid-70’s and is one of the most influential powers in Hollywood.
- Cobalt (Wikipedia)
Cobalt is a chemical element; it has symbol Co and atomic number 27. As with nickel, cobalt is found in the Earth’s crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, produced by reductive smelting, is a hard, lustrous, somewhat brittle, gray metal.