James Benson Irwin (March 17, 1930–August 8, 1991), an American astronaut and scientist, was lunar module pilot for Apollo 15 on the fourth human lunar landing and was the eighth person to walk on the moon.¹

Introduction

Introduction

Jean Louis Agassiz (1807-1873) is regarded as one of the greatest scientists of the 19th century. A founding father of the modern American scientific establishment, Agassiz was also a lifelong opponent of Charles Darwin’s theory of evolution. Agassiz "ruled in professorial majesty at Harvard’s Museum of Comparative Zoology."