Hermann Ebbinghaus

German psychologist (1850-1909).

Born January 24th, 1850 in Barmen. [ref]

Died February 26th, 1909 at 59 years old in Halle (Saale) (pneumonia). [ref]

Occupations
pedagogue, psychologist, university teacher
Wikipedia

Mostly it is loss which teaches us about the worth of things. Arthur Schopenhauer