David Baltimore, Nobel laureate and pioneer of molecular biology, has died at the age of 87.

David Baltimore, a renowned American biologist and Nobel Prize winner in Medicine in 1975, died at the age of 87 due to complications from cancer. His discovery, which changed the understanding of molecular biology, demonstrated that genetic information can flow in reverse, from RNA to DNA. Throughout his career, Baltimore was involved in AIDS research and served as president of several prestigious universities, including Caltech. He was also the victim of unfounded fraud allegations that affected his reputation for a decade. He was a prominent leader in science, publishing over 600 papers and receiving numerous awards.