Who created the verification principle?

Related questions

1. What did Karl Popper believe?
2. What is Karl Popper's falsification theory?
3. What is simple Indeterminism?
4. What is free will in Christianity?
5. Can a theory be falsified?
6. What is the main argument of libertarianism for freedom?
7. What defines a libertarian?
8. What is freedom according to libertarianism?
9. What is the verification criterion of meaning?
10. What is strong verification?

Tags

1. #criteria
2. #logic
3. #language
4. #determined
5. #developed
6. #truth
7. #meaningful
8. #constitutes
9. #principle
10. #verification