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Dolly at 20: The inside story on the world’s most famous sheep

From incubation in a bra to an afterlife under glass, how a cloned sheep attained celebrity status.

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THE CAST Karen Walker: embryologist, PPL Therapeutics, Roslin, UK; now director, KXRegulatory: Linlithgow, UK Bill Ritchie: embryologist, Roslin Institute; now at Roslin Embryology Angela Scott: cell-culture technician, PPL; now chief operating officer, TC BioPharm, Motherwell, UK Alan Colman: research director, PPL; now at Harvard University, Cambridge, Massachusetts Ian Wilmut: embryologist, Roslin; now University of Edinburgh, UK John Bracken: farm research assistant, Roslin; now retired Angelika Schnieke: molecular biologist, PPL; now Technical University of Munich, Germany Harry Griffin: scientific director, Roslin; now retired Jim McWhir: stem-cell scientist, Roslin; now retired

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Callaway, E. Dolly at 20: The inside story on the world’s most famous sheep. Nature 534, 604–608 (2016).

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