Charles Redheffer was an American inventor who claimed…

Charles Redheffer was an American inventor who claimed to have invented a perpetual motion machine, He was later exposed when an engineer found a hidden cord that led to an upper floor. Upstairs he found an old man who was turning a hand-crank with one hand and eating bread with the other.

In 1986, nurse Sandra Clarke could not stay with…

In 1986, nurse Sandra Clarke could not stay with a patient who asked her to stay. When she returned, the patient had died alone. In 2001, she was key in starting No One Dies Alone, a program where volunteers sit with terminal patients who have no one else. The program is now world-wide.

In 1850 Dmitri Mendeleev walked almost a thousand…

In 1850 Dmitri Mendeleev walked almost a thousand miles to Moscow so he could apply for the University of Moscow. Although he was not accepted, he walked to St. Petersburg where he was accepted, And with that education he developed the periodic table of the elements.