| glenn | (n) made the first orbital rocket-powered flight by a United States astronaut in 1962; later in United States Senate (1921-), Syn. John Herschel Glenn Jr., John Glenn |
| herschel | (n) English astronomer (son of William Herschel) who extended the catalogue of stars to the southern hemisphere and did pioneering work in photography (1792-1871), Syn. John Herschel, Sir John Herschel, Sir John Frederick William Herschel |