The 2009 TIME 100 Finalists

Cast your votes for the leaders, artists, entrepreneurs and thinkers who deserve a spot on this year's TIME 100. — By Brian Raftery

Doris A. Taylor

University of Minnesota / Reuters
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AGE: Unknown
OCCUPATION: Medical researcher
PREVIOUS APPEARANCES ON THE TIME 100: 0

PRO: By injecting baby-rat cells into a cell-free rat heart, Taylor helped create the first lab-grown heart. The hope is to eventually apply her findings to human organs.

CON: In the wrong hands, her research could allow a madman to create an army of half-zombie rats.

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