Masters & Johnson Create Surrogate Partner Therapy

American sex researchers William Howell Masters and Virginia Eshelman Johnson invented surrogate partner therapy in St. Louis, MO, USA. Continue reading

Invention of DNA Chain Polymerization

American researcher Kary B. Mullis, a staff chemist for the Cetus Corporation in Emeryville, CA, USA invented DNA chain polymerization in 1983. Continue reading

Edison Electric Light Company

Edison Electric Light Company located at 65 Fifth Avenue, New York, NY, USA became incorporated on October 15, 1878. Continue reading

Boeing 747 Double-Decker Jet in Operation

Boeing Company of Seattle, WA, USA introduced the jumbo jet, Boeing 747 in 1970. Continue reading

Human Sexual Response Study Released

American sex researchers William Howell Masters and Virginia Eshelman Johnson released the physiology human sexuality study, Human Sexual Response in 1966. Continue reading

Socialist Theorists Active in 18th Century France

Socialist theorists were active in 18th and 19th century France and England as industrialized state run scientific principles by experts, Continue reading

Moses Rogers

Moses Rodgers, who was born into slavery in Missouri, came to California in 1849. He became prominent during the Gold Rush as a successful mining engineer, making a lucrative career excavating gold in mines he owned in Hornitos in Mariposa County. Continue reading

The Savannah Steamboat Crossed The Atlantic Ocean

The Savannah Steamboat, a 350-ton wooden craft designed by an American, Daniel Dod of Elizabeth, NJ, USA, and Continue reading

Icelandic Trader Was First to Find North America

Bjarni Herjolffson, a Icelandic trader first sighted North America during his travels between Iceland and Greenland in 986 CE. Continue reading

Steamboat Phoenix Makes Ocean Voyage

The Phoenix steamboat made an ocean voyage on June 10, 1809, while under the command of Moses Roger Continue reading