Happy Albert Einstein’s Birthday and Pi Day

Albert Einstein
Mathletes, science enthusiasts, and mere physics and/or numerical dilettantes alike may appreciate that March 14 is both the 136th birthday of Albert Einstein — the most important physicist of the 20th century — and, less meaningfully, what some egghead wisenheimers (and the decidedly less egghead U.S. Congress) have designated as Pi Day; as in the mathematical constant π (pi), or 3.14 (etc.), or 3/14… Get it?