From the vault: A trio of trailblazers

This week, Cosmos tips its hat to some VIPs of science and their influential work.

Silent witness

It takes unflinching conviction and steely self-confidence to dedicate your career to the search for extraterrestrial civilisations – and only a woman like Jill Tarter could do it. Click here

The diplomat

Peter Piot co-discovered the Ebola virus and was the first to make governments sit up and take notice of the unfolding AIDS epidemic. Click here

Sweet victory

He may shirk the limelight, but his mastery of reproductive science often throws Alan Trounson into the public eye. And while he’s been wounded before, his time is at hand. Click here

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