1. Dr. Potu Narasimha Rao, a renowned scholar and eminent cytologist came from a poor family in Muppalla village of Guntur district.
2. He did his research work on the cytogenetics of tobacco plant and cancer cells in culture medium.
3. He conducted research in cell kinematics and triggering factor of cell division i.e., mitosis.
4. He observed the interphase and its three phases.
5. To understand the functional relationship between these phases he did elegant experiments on cell fusion technique along with his research associate Dr.Johnson.
6. His researches revealed that the cell cycle is sequential, unidirectional and controlled by a series of chemical signals.
7. His experiments are considered to be a milestone in the cell cycle.
8. He is an exemplary person who proved that poverty is not a barrier to the talent and wisdom.
