1 “..., on the occasion of his 70th birthday. The range of the essays, as well as their originality, and their critical...”

2 “... and realism. Though these disturbances intruded upon what had seemed to be the logically well-ordered domain...”

3 “..., of instrumentality and arbitrary perspective, of biological constraints (upon knowledge as well as upon the species...”

4 “... is to honor his sharp and aggressive criticism as well as his humane warmth and his quick wit. He was a person...”

5 “..., on the occasion of his 70th birthday. The range of the essays, as well as their originality, and their critical...”