Simplify the following text for a Grade 13 native English-speaking person.
Original: Edmund Gustav Albrecht Husserl ( ; April 8 , 1859 , ProstÄ jov , Moravia , Austrian Empire â `` April 26 , 1938 , Freiburg , Germany ) was a philosopher and mathematician who is deemed the founder of phenomenology .
Simplified: Edmund Gustav Albrecht Husserl ( ; April 8 , 1859 , ProstÄ jov , Moravia , Austrian Empire â `` April 26 , 1938 , Freiburg , Germany ) was a philosopher who is deemed the founder of phenomenology .