Simplify the following text for a Grade 9 native English-speaking person.
Original: Husserl also influenced Martin Heidegger , who was Husserl 's assistant , and who Husserl himself considered best suited as his successor until Heidegger started supporting the Nazi ideology .
Simplified: Martin Heidegger is perhaps the best known of Husserl 's students , the one whom Husserl chose as his successor at Freiburg .