Quote of the day
Optimism is essential to achievement and it is also the foundation of courage and true progress.
Hermann Ebbinghaus
Born: January 24, 1850
Died: February 26, 1909 (aged 59)
Bio: Hermann Ebbinghaus was a German psychologist who pioneered the experimental study of memory, and is known for his discovery of the forgetting curve and the spacing effect. He was also the first person to describe the learning curve.