1 “... in learning about the Catalan numbers. “Roman does an admirable job of providing an introduction to Catalan...”

2 “... to the other, in admiration and gratitude. Dr. van Atten has convincingly applied Husserl's method to Brouwer...”

3 “... by his friends, students and admirers. Rota was one of the great thinkers of our times, innovator in both...”

4 “... and also as his friend. While I admire him for his honesty, sincerity and dedication, I appreciate very...”