After a career spanning 53 years and championing a mission deemed impossible for decades, William Borucki, the principal investigator of NASA’s planet-hunting Kepler mission, will retire from the agency on July 3.
After a career spanning 53 years and championing a mission deemed impossible for decades, William Borucki, the principal investigator of NASA’s planet-hunting Kepler mission, will retire from the agency on July 3.