Crossword puzzle clue "theme of this puzzle whose members are hidden throughout the grid"

Theme of this puzzle, whose members are hidden throughout the grid

Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)

Show since 12/17/1989 whose five main family members are hidden in this puzzle's other long across answers

Pulitzer Prize-winner Douglas whose three famous subjects are hidden in this puzzle's theme answers

Poet whose classic work is hidden in this puzzle (see the circled squares of the completed the puzzle)

Web concerns ... and based on six familiar names hidden in rows 1, 4, 12 and 15 of this puzzle grid, what the black squares in those rows symbolize

Award won by lead actors in this puzzle's starred films: the winners' names are hidden "word search"-style in the grid (across, down or diagonally, and forward or backward)

Set of which all seven elements are fittingly hidden in the solved puzzle grid