Original: Immanuel Kant ( 22 April 1724 â '' 12 February 1804 ) was a professor of philosophy at KÃ nigsberg , in Prussia , researching , lecturing and writing on philosophy during and at the end of the 18th Century Enlightenment .
Simplified: Immanuel Kant ( April 22 , 1724 â '' February 12 , 1804 ) was a German philosopher . He was born in KÃ nigsberg , Prussia , and also died there .