By Series - Great Events from History II: Science and Technology Series
- Gamow Explains Radioactive Alpha-Decay with Quantum Tunneling
- Geiger and Rutherford Develop the Geiger Counter
- Gell-Mann Formulates the Theory of Quantum Chromodynamics (QCD)
- A Gene That Can Suppress the Cancer Retinoblastoma Is Discovered
- A Genetically Engineered Vaccine for Hepatitis B Is Approved for Use
- Georgi and Glashow Develop the First Grand Unified Theory
- Geothermal Power Is Produced for the First Time
- The German Meteor Expedition Discovers the Mid-Atlantic Ridge
- The Germans Use the V-1 Flying Bomb and the V-2 Goes into Production
- Giacconi and Associates Discover the First Known X-Ray Source Outside the Solar System
- Gibbon Develops the Heart-Lung Machine
- Glenn Is the First American to Orbit Earth
- The Glomar Challenger Obtains Thousands of Ocean Floor Samples
- Goddard Launches the First Liquid Fuel Propelled Rocket
- Gödel Proves Incompleteness-Inconsistency for Formal Systems, Including Arithmetic
- Gorgas Develops Effective Methods for Controlling Mosquitoes
- Griess Constructs “the Monster,” the Last Sporadic Group
- Grijns Proposes That Beriberi Is Caused by a Nutritional Deficiency
- Gruentzig Uses Percutaneous Transluminal Angioplasty, via a Balloon Catheter, to Unclog Diseased Arteries
- Gutenberg Discovers the Earth’s Mantle-Outer Core Boundary
- Haber Develops a Process for Extracting Nitrogen from the Air
- Hahn Splits an Atom of Uranium
- Haldane Develops Stage Decompression for Deep-Sea Divers
- Hale Constructs the Largest Telescope of the Time
- Hale Discovers Strong Magnetic Fields in Sunspots
- Hale Establishes Mount Wilson Observatory
- Hale Oversees the Installation of the Hooker Telescope on Mount Wilson
- Harrison Observes the Development of Nerve Fibers in the Laboratory
- Hartmann Discovers the First Evidence of Interstellar Matter
- Heeger and MacDiarmid Discover That Iodine-Doped Polyacetylene Conducts Electricity
- Heezen and Ewing Discover the Midoceanic Ridge
- Heisenberg Articulates the Uncertainty Principle
- Hertzsprung Describes Giant and Dwarf Stellar Divisions
- Hertzsprung Notes the Relationship Between Color and Luminosity of Stars
- Hertzsprung Uses Cepheid Variables to Calculate the Distances to Stars
- Hess Concludes the Debate on Continental Drift
- Hess Discovers Cosmic Rays Through High-Altitude Ionizations
- Hilbert Develops a Model for Euclidean Geometry in Arithmetic
- Hodgkin Solves the Structure of Penicillin
- Hofmann Synthesizes the Potent Psychedelic Drug LSD-25
- Hofstadter Discovers That Protons and Neutrons Each Have a Structure
- Hominid Fossils Are Gathered in the Same Place for Concentrated Study
- Hopkins Discovers Tryptophan, an Essential Amino Acid
- Hopkins Suggests That Food Contains Vitamins Essential to Life
- Hopper Invents the Computer Language COBOL
- Horsfall Announces That Cancer Results from Alterations in the DNA of Cells
- Hounsfield Introduces a CAT Scanner That Can See Clearly into the Body
- Hubble Confirms the Expanding Universe
- Hubble Demonstrates That Other Galaxies Are Independent Systems
- Hubble Determines the Distance to the Andromeda Nebula
