Initialisms are usually late-stressed, e.g., CIA /ˌsiaɪˈeɪ/, or mph /ˌempiːˈeɪtʃ/
However, I don't know how to pronounce initials from personal names, such as
J.K. Rowling
J.R.R. Tolkien
O.J. Simpson.
Or the initials alone, as in
JFK
Initialisms are usually late-stressed, e.g., CIA /ˌsiaɪˈeɪ/, or mph /ˌempiːˈeɪtʃ/
However, I don't know how to pronounce initials from personal names, such as
J.K. Rowling
J.R.R. Tolkien
O.J. Simpson.
Or the initials alone, as in
JFK