The cache is not at the published coordinates, but they might be a useful place to start.
This is the 13th mystery cache in the Famous Berkshire Resident series.
Person X was not born in Berkshire, but did spend their last years in the county. Person X is probably most famous for doing time in prison for 4 years during the 1970s. At the same time as this incarceration, Person X was able to study medicine but did so outside of prison - how strange! Person X has two daughters, who both went into the same career. To honour Person X, a blue plaque was unveiled in 2013 in their county of birth.
The cache can be found at N 51 23.ABC W 000 40.DEF where:
A = Died in 197A
B = Month of birth of Person X + 2
C = Number of letters in oldest daughter's name + 1
D = Month of birth of youngest daughter
E = Number of letters in landlord's surname + 2
F = Age when died - 22