Barbara McClintock (1902-1992), an American geneticist, received the 1983 Nobel Prize for discovering genetic transposition. Her extensive papers (1927-1991), comprising notes, correspondence, and

Barbara McClintock (1902-1992), an American geneticist, received the 1983 Nobel Prize for discovering genetic transposition. Her extensive papers (1927-1991), comprising notes, correspondence, and photographs, are preserved at the American Philosophical Society.

The National Library of Medicine, in collaboration with the APS, offers a digitized selection of McClintock's papers online through its Profiles in Science project. This site also includes related correspondence from other collections and provides an introduction to McClintock's scientific career. For access to the full collection, researchers should contact the American Philosophical Society.

Barbara Marx Hubbard explores awakening the feminine self after 50, advocating a shift from procreation to co-creation.

Deepak Chopra hails her as "the voice for conscious evolution of our

Barbara Marx Hubbard explores awakening the feminine self after 50, advocating a shift from procreation to co-creation.

Deepak Chopra hails her as "the voice for conscious evolution of our time," and she is the subject of Neale Donald Walsch's "The Mother of Invention." A prolific author, visionary, and educator, Hubbard co-founded and chairs the Foundation for Conscious Evolution. Learn more about her work here.

Acclaimed journalist, author and political activist Barbara Ehrenreich explores the darker side of positive thinking and reminds us that we can change things because we have collective power.

Acclaimed journalist, author and political activist Barbara Ehrenreich explores the darker side of positive thinking and reminds us that we can change things because we have collective power.

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Since 1991, Bill Moyers has followed two Milwaukee families caught in the undertow of a merciless economy and a changing city. They constantly faced devastating challenges and difficult

Since 1991, Bill Moyers has followed two Milwaukee families caught in the undertow of a merciless economy and a changing city. They constantly faced devastating challenges and difficult choices.

Moyers revisits these reports, exploring the human price of inequality with journalists Barbara Miner and Barbara Garson. Their books are available for order on Amazon or at your local bookstore.

Bill Moyers has tracked two Milwaukee families since 1991, documenting their struggles against a harsh economy and urban transformation. His reports highlight the devastating challenges and

Bill Moyers has tracked two Milwaukee families since 1991, documenting their struggles against a harsh economy and urban transformation. His reports highlight the devastating challenges and difficult choices they faced.

Moyers revisits these families' stories, exploring the human cost of inequality with journalists Barbara Miner and Barbara Garson. This report was published on July 4, 2013.