1) Catherine, Alexander et al 2) Cobb and Ruth 3) Cooperstown figures 4) Gatsby and Scott, for two 5) Hall of Fame members 6) Hall of famers 7) Legendary types 8) Legends 9) Luminaries 10) Members of all-century teams 11) Notables 12) Oxford course 13) People to remember 14) Sports figures 15) Sports legends
Found on
https://www.crosswordclues.com/clue/greats
Greats (shortened from great go) was old slang for an examination for a university degree.
Found on
http://www.probertencyclopaedia.com/browse/ZG.HTM
No exact match found.
