Brothers Tom (left) and Ray Magliozzi pose under a car hood in Boston. The comic duo hosted NPR's Car Talk for a quarter of a century before retiring in 2012. Since then, the show has been heard in reruns. Tom has died at age 77. Susan Walsh/AP hide caption

itoggle caption Susan Walsh/AP

Tom Magliozzi's laugh boomed in NPR listeners' ears every week as he and his brother, Ray, bantered on Car Talk. Courtesy of Car Talk hide caption

itoggle caption Courtesy of Car Talk