Easter Eggs for the Mind

2. Alice's growth-altering food
9. Ukrainian Easter egg decorating art
11. Ptolemy's geographic and mathematical masterpiece
13. First Sunday after the first full moon following the spring equinox
15. Ancient spring festivals combined with Christian observances
16. Color that turned people's skin in "A Peculiar Shade of Hope"
17. Green life-force concept central to Hildegard's philosophy
19. Medieval nun who saw "viriditas" or divine greenness in nature
22. Actor who played the title role in Ben-Hur
24. Name of the hookah-smoking caterpillar in Alice in Wonderland who advises about the mushroom
26. Alexandrian astronomer whose mapping methods created our coordinate system
27. Epic film featuring a famous chariot race
28. Civil War general who wrote Ben-Hur after a religious conversation

1. Cookies created by Hildegard to "reduce bad humors"
3. Mythical creature whose liver Hildegard prescribed for leprosy
4. Yale library where the Voynich manuscript is kept
5. Anglo-Saxon goddess whose name became "Easter"
6. 15th century mysterious manuscript that remains undeciphered
7. Ancient Greek term for Easter, derived from Hebrew Pesach
8. Director of the 1959 Ben-Hur that won 11 Academy Awards
10. Norwegian Easter crime tradition
12. Germanic Easter hare known for prolific procreation, precursor to the Easter Bunny
14. Monk who documented connection between Easter and pagan goddess
16. Ben-Hur featured a famous race of these vehicles
17. The manuscript's pages are made of this prepared animal skin
18. White House lawn event on Easter Monday
20. The ____ of Endangered Sounds preserves obsolete technology noises
21. Term for the formula to calculate Easter's date
23. Poet who described our modern distraction as "the twittering world"
25. Russian jeweler who created ornate eggs for the Tsar