Fern Allen was 9 years old when Jonas Salk announced the successful test of his polio vaccine on a small group of adults and children (vaccination pictured). Jonas Edward Salk was an American medical researcher and virologist. He discovered and developed one of the first successful polio vaccines. Born in New York City, he attended New York University School of Medicine, later choosing to do medical research instead of becoming a practicing physician. In 1939, after earning his medical degree, Salk began an internship as a physician scientist at Mount Sinai Hospital. Two years later he was granted a fellowship at the University of Michigan, where he would study flu viruses with his mentor Thomas Francis, Jr.
Fern Allen was 25 years old when During the Apollo 11 mission, Neil Armstrong and Buzz Aldrin became the first humans to walk on the Moon. Apollo 11 was the spaceflight that landed the first two people on the Moon. Mission commander Neil Armstrong and pilot Buzz Aldrin, both American, landed the lunar module Eagle on July 20, 1969, at 20:17 UTC. Armstrong became the first person to step onto the lunar surface six hours after landing on July 21 at 02:56:15 UTC; Aldrin joined him about 20 minutes later. They spent about two and a quarter hours together outside the spacecraft, and collected 47.5 pounds (21.5 kg) of lunar material to bring back to Earth. Michael Collins piloted the command module Columbia alone in lunar orbit while they were on the Moon's surface. Armstrong and Aldrin spent 21.5 hours on the lunar surface before rejoining Columbia in lunar orbit.
Fern Allen was 34 years old when Jim Jones led more than 900 members of the Peoples Temple to mass murder/suicide in Jonestown, Guyana, hours after some of its members assassinated U.S. Congressman Leo Ryan (pictured). James Warren Jones was an American religious cult leader who initiated and was responsible for a mass suicide and mass murder in Jonestown, Guyana. He considered Jesus Christ as being in compliance with an overarching belief in socialism as the correct social order. Jones was ordained as a Disciples of Christ pastor, and he achieved notoriety as the founder and leader of the Peoples Temple cult.