
1) British philosopher AJ 2) Logical positivist AJ 3) Pop ballad 4) Town in Mass 5) Town near Fort Devens 6) Town near Fort Devens, Mass 7) Town west of Boston 8) Yesterday in acapulco 9) Yesterday in Cuba 10) Yesterday in the Yucatan 11) Yesterday, to Juan
Found on
https://www.crosswordclues.com/clue/ayer
[MBTA station] Ayer has been a major railroad interchange since the Fitchburg Railroad opened in 1845. By 1900, the town was served by five railroads, with service to Boston, Worcester, and Lowell plus New York, New Hampshire, and Maine. Although passenger service now runs only on the Fitchburg Line, Pan Am Railways runs freight trains thro...
Found on
http://en.wikipedia.org/wiki/Ayer_(MBTA_station)

born 1910, English philosopher, teacher, and author.
Found on
https://www.infoplease.com/dictionary/ayer
No exact match found.