Richard H
BROWN
Photos, life events, and historical records for Richard H BROWN.
Postcards and Memories of Boston, Massachusetts, USA (East, North, South) (Allston) (Readville) (Roslindale)
Use these buttons to focus on the ancestor's own records or the wider historical context.
1913 - The assembly line is invented (Henry Ford, United States) 1934 - The metal beverage can is invented (American Can Co., United States) 1940 - April - 1st electron microscope demonstrated (RCA), Philadelphia, Pennsylvania, USA The microwave oven was invented accidentally in 1945 by Percy Spencer, a Raytheon engineer. While testing a magnetron, he noticed microwaves melted a candy bar in his pocket. Experimenting further, he discovered microwaves could cook food quickly. Raytheon patented the process, and by 1947, they built the first commercial microwave oven, called the 'Radarange.' Initially used in commercial settings, microwaves becomes affordable for home use by the 1960s and 1970s, revolutionizing cooking. The cell phone was invented by Martin Cooper of Motorola. On April 3, 1973, he made the first handheld mobile phone call with the Motorola DynaTAC. This device weighed 2.5 pounds and was 10 inches long, offering 30 minutes of talk time and requiring 10 hours to charge. The first commercial cell phone was released in 1983, revolutionizing communication and leading to the modern smartphones we use today.View charts and other tools for this ancestor and family.
Explore the birthplace and related genealogy.
Search for another person or explore genealogy by place.
Enter as much of the name as you know. Last name is required.
Enter a place and choose a match from the suggestions.
Search other genealogy websites using this ancestor's known name, dates, and places.
Sign in to open targeted searches for this ancestor on Find a Grave, FamilySearch, and other collections.
New to GreenerPasture? Joining is free.Explore local-history books, genealogy resources, and gifts connected with this ancestor's birthplace and family-history research.
Browse a few family-history favorites, or visit the shop to see the full collection.
Questions, Corrections & New Information
Ask a question or share a correction, source, or new detail about Richard H BROWN.
When possible, include names, dates, places, and sources so the information is easier to verify.