To solve this one, you need to work out how the three famous people (described very briefly) below are connected and once done deduce a number (based on that which connects them) which will help lead you to the cache location.
What connects a Pulitzer Prize winner, an Award of Merit winner and a Carnegie Medal winner? These three literary awards were all made in the 1950s.
- Assign the first digit of the number to A, the second digit to B, and so on .....
- Assign the number of letters in the name of the Carnegie Medal winner to J
- Assign the number of letters in the name of the Pulitzer prize winner to K
- Assign the number of letters in the name of the Award of Merit winner to L
The cache can be found at : N54 58.Y W001 38.Z
Where Y = (L x (F - A) x G) + C + H and Z = ((F + D) x (B + E) +J) x K
Replace names for obvious initials ...

You can validate your puzzle solution with certitude.