On August 2, 1922, the day that Alexander Graham Bell was buried the entire US telephone system was shut down for 1 minute in tribute.
Christian Barnard performed the first heart transplant in 1967 – the patient lived for 18 days.
Francis Galton, the inventor of modern fingerprinting methods, had many other notable ideas: the weather map, the phrase “nature vs. nurture,” and the silent dog whistle.
