Step 1: Context of the statement.
The phrase \textit{"There’s Plenty of Room at the Bottom"} was a famous lecture delivered by Richard Feynman at the American Physical Society meeting at Caltech in 1959.
Step 2: Importance.
In this talk, Feynman envisioned the possibility of manipulating atoms and molecules directly — an idea that laid the foundation for modern nanotechnology.
Final Answer:
\[
\boxed{\text{Richard Feynman}}
\]