Scientific Discoveries of the 1960s

4. English astronomer who proposed the steady-state theory of the universe.
7. American physicist who shared the Nobel Prize for the discovery of the Lamb shift.
8. The development of this type of laser marked a significant advancement in laser technology.
9. American scientist who conducted groundbreaking research on the structure of RNA.
10. This method of medical imaging was first introduced in the 1960s.

1. The discovery of this subatomic particle helped confirm the quark model.
2. American chemist who made significant contributions to the field of organic chemistry.
3. The concept of quarks as elementary particles was introduced by this physicist.
5. The first successful human-to-human heart transplant was performed by this South African surgeon.
6. This scientist proposed the idea of black holes as a result of gravitational collapse.