Excerpt: Alexander Adams seems, if unconsciously, to be following in the footsteps of Donald Culross Peattie. Like Peattie, he wrote a volume on Audubon and then essayed a biographical survey of a number of important naturalists. Eternal Quest is the latter, and interestingly enough, it is the first book of its precise kind since Peattie\u27s Green Laurels (1936) to evoke the same emotion