Jan. 23 Math Mystery Year Puzzle: Birthday of Captain Chesley "Sully" Sullenberger III

January 23 of the Mystery Year is the birthday of a famous pilot, Chesley "Sully" Sullenberger. Math clues for finding the year involve temperature conversions with negative readings, the distance formula (d = rt), scale model, and a formula with a square root. The heroic landing of US Airways Flight 1549 onto the Hudson River, which became known as the "Miracle on the Hudson," is the context of the puzzle. He has received many awards for his heroism.