She made the discovery, but a man got the Nobel. A half-century later, she’s won a $3 million prize.

Jocelyn Bell Burnell built the telescope, laboring in damp and chilly English weather to install more than 100 miles of cable and copper wire across a windswept field near Cambridge. She operated the instruments and analyzed the data, poring over miles of chart paper etched with the inked recordings of galactic radio waves.