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| NEWSLETTER - SEPTEMBER 19 | |
| Before you look at today's web page, see if you can answer some of these questions about the events that happened on this day. Some of the names are very familiar. Others will likely stump you. Tickle your curiosity with these questions, then check your answers on today's web page. | |
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| Quotations for Today | |
| "We won't argue: you're wrong," a common comment to his employees illustrating his resistance to changing his mind about his grand schemes - William Lever (born 19 Sep 1851) "The historian owes the dead nothing but the truth." - Jean-Baptiste-Joseph Delambre (born 19 Sep 1749) "You are successful the moment you start moving toward a worthwhile goal." - Chester F. Carlson (died 19 Sep 1968) | |
| QUIZ | |
| Births | |
| William Lever, born 19 Sep 1851, was a British philanthropist and industrialist who built an international firm. What was this firm's major product? | |
| Jean-Baptiste-Joseph Delambre, born 19 Sep 1749, was a French astronomer who is known for his tables that plot the location of one of the planets in particular. For which planet did he prepare these tables? | |
| Deaths | |
| Chester F. Carlson (1906-1968) was an American physicist who invented xerography, an electrostatic dry-copying process that found applications ranging from office copying to reproducing out-of-print books. The process involved sensitizing a photoconductive surface to light by giving it an electrostatic charge In what decade did he begin to develop the process? | |
| Events | |
| On 19 Sep 1991, a Stone Age wanderer and the most ancient human being ever found, was discovered in the Similaun glacier in the Alps on the Italian-Austrian border. His frozen body was found along with artifacts of his vanished way of life. An examination of his gut contents showed the man took his last meal not long before setting out on a hike from which he was never to return. By what name is this man commonly known? | |
| On 19 Sep 1783, a duck, a sheep and a rooster were launched in a test aboard a hot-air balloon at Versailles in France. Who was the pioneer making this test? | |
| Answers | |
| When you have your answers ready to all the questions above, you'll find all the information to check them, and more, on the September 19 web page of Today in Science History. Or, try this link first for just the brief answers. | |
| Fast answers for the previous newsletter for September 18: neptunium; microscopic particles involved in the condensation of atmospheric water vapour in clouds and fogs; they devised an accelerator that generated large numbers of particles at lower energies (the Cockcroft-Walton generator they built was the first atom-smasher); Armand Hippolyte Fizeau; the decade containing the year 1980. | |
| Feedback | |
| If you enjoy this newsletter, the website, or wish to offer encouragement or ideas, please write. |
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