An image of a Geiger Counter and definitions of the types of rays a counter can detect, alpha, beta and gamma. Includes inventor and date of invention. Continue on "Next," page for even more info.

Smithsonian site enlightens users in the field of Industrial Engineering by inviting them to view samples of industrial drawings. Some are working drawings, others are more finished and still, others are printed. They visually document...

A biographical look at the life of Anna Wagner Keichline - architect, inventor, suffragist, and World War I Special Agent.

Biography of Sprague, who is responsible for the development of electric trailways, electric elevators, and a commercial form of the electric motor.

View over 100 of Leonardo's paintings, drawings, and inventions. You can conduct searches, watch slideshows, or view page by page. Also includes an extensive biography and many features that make finding and bookmarking your favorite...

Biography of Charles Townes who is credited for discovering microwave and laser technology from which came digital storage transforming our world.

Learn about the inventor of the medical cardiac pacemaker, Wilson Greatbatch. This site provides a brief bio on Greatbatch, information on the invention's impact, and a portrait of the inventor.

This site honors Harold Stephen Black for his inventions of the wave translation system and the negative feedback amplifier. Content includes a brief biography of the inventor as well as a look at how his inventions have impacted society.

Learn about Thomas Fogarty, inventor of the embolectomy catheter, a "device [that] allows a thin balloon to be inserted into a patient's artery and guided through an occlusion." Read about the invention's impact and the inventor's career.

Read a brief bio on Willem J. Kolff, inventor of the artificial kidney dialysis machine, and learn the extent to which this invention is being used in the U.S.

At this site from MIT Invention Dimension you can read about Virginia Apgar and her accomplishments as "One of Columbia University's first female M.D.s," as a researcher of childbirth, and as the inventor of the "Newborn Scoring System."

Read about the inventor of the CAT Scan, Robert S. Ledley. This site includes a brief bio and information on the invention's impact on the medical world and patients.

Read about Raymond V. Damadian, inventor of the magnetic resonance imaging (MRI), and learn how the MRI has impacted the field of medicine.

Read about Stephen Heilman, co-inventor of the automatic implantable defibrillator, "a device that detects and corrects heart arrhythmias in patients who would otherwise die from sudden cardiac death."

Here is information on Pentothal, or general anesthesia, and its inventor, Ernest H. Volwiler.

This is an Inventors Hall of Fame website on Samuel F.B. Morse. Includes a short biography and portrait.

Interesting biographical information, famous inventions, and quotes of Thomas Edison, one of America's greatest inventors.

This website provides a biography of Charles Kettering (1876-1958) and describes his inventions for the automobile, including an electrical ignition system.

Here is information on Dean Kamen and his invention, the ambulatory infusion pump, or the AutoSyringe, that "free[s] patients from round-the-clock injections."

Read about Frederick Banting and the work he did to help diabetics maintain their insulin levels. This site includes biographical informatin and links to pages on inventors Charles Best and James Collip.

Brief biography of the scientist who is recognized for determining organic molecular structure and the synthesis of many steroids.

This site describes how even though industry was expanding in the U.S., agriculture still remained the most important occupational sector in the US. As the population grew, farmers in the U.S. had to find ways to meet the explosive...

Learn about the information that can be found in an 1876 issue of a magazine, The Manufacturer and Builder, about the tools, machines, and innovations of that era, including a reference to a young Thomas Edison. This is a transcript of a...

Blaise Pascal (1623-1662), French philosopher, mathematician, and physicist, is considered one of the great minds in Western intellectual history. He also invented the first mechanical adding machine.