4406 entries. 94 themes. Last updated December 26, 2016.

Timeline Outline ViewEra: 1950 - 1960   |   Theme: Medicine


1950"Chargaff's Rules" February 28, 1951Linus Pauling Reports the First Discovery of a Helical Structure for a Protein July 9 – July 12, 1951The First Application of an Electronic Computer to Molecular or Structural Biology 1952The Hershey-Chase "Waring Blender Experiment" May 2 – May 6, 1952Rosalind Franklin's Photo #51 of Crystalline DNA June 24 – June 27, 1952Applying Computer Methods to Library Cataloguing and Research 1953 – 1954The Idea of a Genetic Code 1953The Beginning of Positron Emission Tomography (PET) April 25, 1953Discovery of The Double Helix May 30, 1953Proposal of a Method of DNA's Method of Replication October 29, 1953The Beginning of Medical Ultrasonography 1954 – 1960Probably the First Widely-Accepted Controlled Vocabulary 1955The First Amino Acid Sequence of a Protein 1956 – 1964Changes in Tissue Density Can be Computed 1957Beginning of Doppler Ultrasound September 1957Crick's "On Protein Synthesis" 1958The First Obstetrical or Gynecological Sonograms 1958 – 1960John Kendrew Reports the First Solution of the Three-Dimensional Molecular Structure of a Protein 1958First Proof of the Semiconservative Replication of DNA 1959The Inspiration for Artificial Neural Networks, Building Blocks of Deep Learning July 3, 1959The Beginning of Expert Systems for Medical Diagnosis 1960 – December 9, 2013Greatbatch, Chardack & Gage Implant the First Self-Contained Internally Powered Artificial Pacemaker in a Human 1960The National Library of Medicine Introduces Medical Subject Headings (MeSH) 1960Theodore Maiman Invents the First Working Laser September 13 – September 15, 1960The First Symposium on Bionics