Contents: Maria Sibylla Merian, artist and scientist (1647-1717) -- Among the six-legged with Anna Botsford Comstock (1854-1930) -- Frances Hamerstrom's secrets (1907-1998) -- Rachel Carson's call to action (1907-1964) -- Miriam Rothschild's gardens for butterflies (1908-) -- Jane Goodall's dream (1934-).