Leonhard Euler, an eminent mathematician and physicist, was born this day, April 15, in 1707, in Basel, Switzerland. According to Ronald S. Calinger, a Professor of History at the Catholic more »
Tag: Kirsten van der Veen
In the town of Ujiji in what is now Tanzania, Henry Morton Stanley, sent by a New York newspaper to track down the missing Dr. David Livingstone, finally found the more »