Post-Quantum Secure Surname Puzzle #2

12345678
Across
  1. 2. surname of French native and author of Understanding Quantum Technologies
  2. 5. surname of QRL Show host who doesn't wear fedoras 🎿
  3. 6. surname of most Greek sounding guest we've had on The QRL Show
  4. 8. Project ___
Down
  1. 1. surname of quantum physicist and recurring female guest on QRL Show
  2. 3. surname of QRL Show host w/ the most Fedoras
  3. 4. surname of expert in cryptography with a theorem that bares this name
  4. 7. surname of renowned leader at Google with a theory that describes how quantum computers are improving at a "doubly exponential" rate