The acclaimed scientist born in 1926 known for foundational research in cellular biology and genetics is James D. Watson. He is best known for co-discovering the double helix structure of DNA, a groundbreaking achievement that revolutionized our understanding of genetic information. Watson's collaboration with Francis Crick and Rosalind Franklin led to pivotal advancements in molecular biology and genetics. His work has influenced various fields, including medicine, evolutionary biology, and biotechnology. Over the years, Watson has received numerous honors, including the Nobel Prize in Physiology or Medicine in 1962, reflecting his significant contributions to science.