- Fluorine is a chemical element; it has symbol F and atomic number 9. It is the lightest halogen and exists at standard conditions as pale yellow diatomic gas. Fluorine is extremely reactive as it reacts with all other elements except for the light inert gases. It is highly toxic.
- George S. Blake (Wikipedia)
George Smith Blake (March 5, 1802 – June 24, 1871) was a commodore in the United States Navy. He was Superintendent of the United States Naval Academy in Annapolis, Maryland (and Newport, R.I. During the Civil War) from September 15, 1857 to September 9, 1865. The USC&GS George S. Blake was named in his honor.