OSINT + Cryptography #3

Solve the challenge below using OSINT & Cryptography.

tjwk#wkjp#ebjwk#tf#tjoo#af#baof#wl#kft#lvw#le#wkf#nlvmwbjm#le#gfpsbjq#b#pwlmf#le#klsf

The encrypted text is part of an iconic speech, so is the picture above. Your task is to find out:

1. The title and authors of both speeches.

2. In which year did both these authors meet each other?

Hint: The encrypted text can also be decoded through this script. When looking for a key, remember the challenge's title.

Solution