This Day, That Year – November 11
Alvan Clark patented the telescope on this day in 1851. Did you know that: • German mathematician, Gottfried Wilhelm Leibniz, demonstrated integral calculus for the first time, to find the area under the graph of y = f(x) function, on this day in 1675• Washington Irving’s Salmagundi periodical was published on this day in 1807 […]
