Join the Library of Congress Science Section on Thursday, January 29, 2026, at 2 p.m. (Eastern Time), for a virtual conversation with author, science communicator and past Kluge Chair in Science and Society, Ainissa Ramirez, about her new children’s picture book, “Spark: Jim West’s Electrifying Adventures in Creating the Microphone” (Candlewick Press, 2025).
Today, our beloved bottles of ketchup are consistent and shelf-stable thanks to the work of Katherine and Arvill Bitting who examined over 1,600 bottles of ketchup, visited 40 canneries producing tomato pulp, and toured 20 ketchup factories to come up with a method to make a safe and preservative-free ketchup.
Read about the two new entries to Business Reference's This Month in Business History project; one on A. Philip Randolph and one on the Brotherhood of Sleeping Car Porters.
In the history of the organized labor movement Samuel Gompers who, in 1881, helped to found the Federation of Organized Trades and Labor Unions which later became the American Federation of Labor, is a seminal figure.