In the July 3 Globe South section of the Boston Globe is an article about some of the important innovations that have happened just South of Boston.
1927, Dr. William Hinton, son of former slaves, developed a test for syphilus, one of the most challenging diseases of his time. Dr. Hinton became the first black professor at Harvard Medical School and was a pioneer in preventative medicine.
1836, William Otis of Canton invented the steam shovel, Otis steam shovels were used to fill in the Back Bay. Before his invention, construction workers did not have easy access to the powerful leverage of pneumatic and hydraulic energy systems in their tools.
1890’s, King Gillette The founder of the Gillette corporation came up with the idea for the disposable razor while vacationing in Hull.
1906, Reginald Fessenden developed the first system to transmit voice and music over radio waves. His broadcast of Christmas Eve that year was heard by ships’ radio operators all across the Atlantic. Before that time, they had only communicated via morse code, a language of short and long beeps.
1937, Ruth Wakefield, through experimentation and making do with different materials invented the chocolate chip cookie at the Tollhouse Inn in Whitman.
Here is a link to the article: Link
The Boston History and Innovation Collaborative: Link
School for Champions Biography of King Gillette: Link
Boston Breakthroughs: Link
Steam Shovel information: Link
A bio of Dr. Hinton: Link
William Otis on Wikipedia – The polish version has more information (go figure): Link
Back Bay history – Link