Description:
(Scientist) Joe Hin Tjio, an Indonesian-born American cytogeneticist, is revered for his groundbreaking 1955 discovery of the normal number of human chromosomes. He conducted his research as a visiting scientist at the Institute of Genetics at the University of Lund in Sweden. Tjio's work significantly contributed to the advancements in genetics and cytogenetics, laying the foundation for understanding genetic disorders and diseases, and inspiring further discoveries in human genetics.