23. “The Right Stuff” subj., NASA ; 26. Precursor of Pascal, ALGOL ; 29. Designing women, SIRENS ; 39. Wolf who wrote “The Beauty Myth”, NAOMI ; 44. See 46-Across, with 44-Across, 1940 Laurel and Hardy film, SAPS AT SEA ; 47. Chemical relative, ISOMER ; 53. Wagner opera title role,