OBSERVER CROSSWORD PUZZLER

ACROSS 1. Dowel 4. ‘50s audiophile’s purchase 8. Eve’s man 12. Blasting stuff 15. Dander 16. Bit 17. Mule driver 19. Bishop’s throne 21. Note 22. Indian state 23. Tanzania neighbour 25. Make, as money 26. Simple rhyme scheme 27. Finish, with “up” 28. Apply 30. Physique, informally 31. Largest island of French Polynesia 34. “Get ___!” 36. Beat 38. Vinegar 41. Sow again 42. “Messenger” compound 43. Common man 44. Cool, once 45. “Bill & ___ Excellent Adventure” 47. Discouraging words 48. Caustic substance 50. Son of Ramses I 54. Floral ring 56. Laziest 59. “___ Doubtfire” 60. Sign collection 63. Mustard family 65. Tests 66. Morning moisture 67. Twilled fabrics 68. U.S. med. research org. 69. 1773 jetsam 71. “The Matrix” hero 74. Musician’s asset 75. Bustles 77. Decrees 79. Andean animal 82. Brag, in a way 84. Heater 86. Personal account 87. Religious image: Var. 88. “Slippery” tree 89. Chester White’s home 90. Ivan the Terrible, e.g. 91. Alleviate 92. Artful DOWN 1. 12-point type 2. “-zoic” things 3. Advances 4. Complex red organic pigment 5. “__ be sad if ...” 6. Public meeting 7. Adult insect 8. “Absolutely!” 9. Slug 10. Assumed name 11. Blokes 12. Well-founded 13. Gangrene 14. Drifted 18. Casual attire 20. Addiction 24. Greenfly, e.g. 29. Fencing sword 31. Bakery buy 32. Bad marks 33. Representative 35. Pastoral poems 37. U.S. snail-mail system (Abbr.) 39. ___ system 40. Trig function 41. Kind of monkey 46. Big loser’s nickname? 49. “Are we there ___?” 51. Expatriates 52. “How ___!” 53. Doctrines 55. Toward sunrise 57. Beginnings 58. Tundra borderer 60. Harems on the Indian subcontinent 61. Hydrogen peroxide 62. Benin, until 1975 64. Start of a refrain 66. Sitting Bull, e.g. 70. Continental money 72. À la King 73. 1970 World’s Fair site 76. “Hold on a ___!” 78. Little, e.g. 80. Gangster’s gal 81. ___ brat 83. “Silent Spring” subject 85. Old PC platform