ACROSS
1 The “fact” that Albert Einstein flunked math class, e.g.MYTH
5 Where River City is, in “The Music Man”IOWA
6 The “B” of R&BBLUES
7 End to a chess gameMATE
8 Crisply shown, as a TV broadcastINHD
DOWN
1 Italian city that’s home to da Vinci’s “The Last Supper”MILAN
2 ChildhoodYOUTH
3 Fabric for a wool jacketTWEED
4 “___ it ever occurred to you …”HAS
6 Obesity measure: Abbr.BMI