Identification: Positive!
This is a puzzle cache. It is not at the listed coordinates. To obtain the cache coordinates, please solve the following puzzle.
This cache is part of The Atoz Sequence series. Click here for more information.
To solve this puzzle, identify the subject of each photo below, then enter the first letter of each into the checker at the end of the listing:
(Click the images to enlarge)
1 __ __ __ __ __ __ __

2 __ __ __ __ __ __ __ __ __ __

3 __ __ __ __ __ __

4 __ __ __ __ __ __ __

5 __ __ D __ __ __ __ __

6 __ __ L __ __

7 __ __ __ __ __

8 __ __ __ __ __ __ __ __

9 __ __ __ __ __

10 __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __

11 __ __ __ __ __ S

12 __ __ __ __ __ __ __ __ __ __

13 __ __ __ __ __ __ __

14__ __ __ __ __ __ __

15 __ __ __ D __

16 __ __ __ S __ __

17 __ __ __ __ __ __

18 __ __ __ __ __ __ __

19 __ __ C __

20 __ __ __ __ __ __ __ __ __ __

If an answer has more than one word, enter just the first letter of the first word. Stuck? Don't hesitate to work with friends or contact me!
Enter the 20 letters of your solution, in upper- or lower-case and with or without spaces in this checker.
Don't forget to make a note of the clues on the cache log. You will need them to solve The Atoz Sequence!