1982 Event Larry Walters using lawn chair and 42 helium balloons, rose to 16,000' 1956 Death Willem H Keesom, Dutch physicist (Helium I/II), dies at 79 1920 Death J Norman Lockyer, English physicist (discovered helium in Sun), dies 1908 Event H Kamerlingh Onnes makes helium liquid (-269 degrees C) 1908 Event Dutch scientists produce solid helium 1876 Birthday Willem H Keesom, physicist, helium vast 1868 Event Pierre Janssan discovers helium in solar spectrum during eclipse 1853 Birthday Heike Kamerlingh Onnes, Dutch physicist, liquid helium, Nobel 1913 1836 Birthday Joseph Norman Lockyer, discoverer, Helium, founder, Nature magazine
