Across
1. Early biologist
5. College student, 25 percent of the time
9. He tends to freak out
13. United Way rival
14. Get all humble
16. Her lover drowned in the Hellespont
17. Plains senator
19. Words before "impasse"
20. Go towelless
21. Bill Cosby's alma mater
23. Pindar effort
24. Fugitive's goal
26. They might be downsized soon
29. Driving warnings?
30. Rubber-stamps
33. Rugby's river
34. Result of irrational exuberance
35. 1940s foe, then
36. NY campus
37. James Carville's role in the Clinton White House
38. American Samoa's non-voting congressional delegate ___ Faleomavaega
39. Frank McCourt's sequel to "Angela's Ashes"
40. "Little Women" name
41. IBM product of 1983
42. Word that often follows a preposition
43. Bird prized for its plumage
44. Furniture variety
45. They're subsidized in Austria
47. Game that requires no equipment
48. Japanese for "8, 9, 3," a losing hand in an old card game
50. Neil Armstrong, John Glenn, and Judith Resnik
54. Infamous member of the Kakwa ethnic group
55. Leak to the press, maybe
58. It's blue in an e-mail
59. Gives Caesar respect
60. "Put Your Head on My Shoulder" singer
61. In drug rehab, perhaps
62. The other option
63. Miss Cleo, for example

Down
1. Letters associated with Bernard Kerik
2. First name in tents
3. Dramatic opening
4. Kill a certain mammal
5. Curved weapon
6. Be good
7. 3, 4, or 5, usually
8. Presidential inits.
9. 1983 Salman Rushdie novel
10. Politician's pork, perhaps
11. The Russians once called it "The Blue Sea"
12. The Z in ZIP code
15. Spanish star
18. Three to two, perhaps
22. Ford's son
24. British peacekeepers
25. Last words on a certain kind of sign
26. Nonet member
27. Louis called the "Comte de Provence"
28. Douglas Ginsburg's regret
29. What's to come, to Marquez
31. Ideograph type
32. Dick pick
34. Early film projector
37. It may be followed with "thanx!"
41. Buildings often octagonal in design
44. Duumvirate
46. Like Ramones tunes
47. The further ones
48. Where Richard C. Levin is president
49. Encircled by
50. 21 Across students
51. Rough draft?
52. Drop the big one
53. Zubenelgenubi or Izar
56. Dubai, Umm al Qaiwain, etc.
57. Not after