2: What the fourth little piggy had
5: Mechanical learning routines
9: Microbrewery offerings
14: Maggie Smith and Judi Dench
25: Big Mama Thornton's bag?
27: Remove graphite or graffiti
29: Hand cream ingredient
36: They may travel by butterfly
41: Like Bart, among the Simpson siblings
48: First synthetic fiber
55: 'Total Recall' planet