Grace Murray Hopper was an American computer scientist and United States Navy rear admiral. She was one of the first programmers of the Harvard Mark I computer in 1944, invented the first compiler for a computer programming language, and was one of those who popularized the idea of machine-independent programming languages which led to the development of COBOL, one of the first high-level programming languages. She is credited with popularizing the term “debugging” for fixing computer glitches (in one instance, removing a moth from a computer). Owing to her accomplishments and her naval rank, she is sometimes referred to as “Amazing Grace”.
On her 107th Birthday, Google honored her with a doodle
The Secret is a puzzle book published in 1982 by Byron Preiss. To set up the puzzle, Preiss traveled to 12 locations in North America to secretly bury a dozen ceramic casques. Each casque contained a small key that could be redeemed for one of 12 jewels Preiss kept in a safe deposit box in New York. The key to finding the casques was to match one of 12 paintings to one of 12 poetic verses, solve the resulting riddle, and start digging. Since 1982, only two of the 12 casques have been recovered.