Alice H. Parker is, indeed, a rare find. Not much biographical information was found on the Internet about her. Her biography is sometimes confused with that of another Alice Parker, a composer, arranger and conductor.
Alice Parker–the African-American inventor, that is–patented a gas-powered central heating furnace on December 23, 1919 (U.S. Patent 1,325,905).
- Alice H. Parker – True African American Heat (Parle Magazine)
- Alice Parker History Beat: Now You Know (YouTube.com)
- Alice Parker (theinventors.org)
At the time of this writing, not much biographical information could be gathered about Marie Van Brittan Brown (October 30, 1922-February 2, 1999)1, unfortunately. Notwithstanding, she has been credited for:
- inventing, with her partner, Albert Brown,2 the “home security system utilizing television surveillance,”3 (the forerunner to the modern home security system)
- receiving United States Patent No. 3482037 in 1969 for the invention4
- Marie Van Brittan Brown: Home Security Inventions
- African-American Inventors & Inventions: African Women Inventors
- The Significance of the Burglar Alarm | eHow.com
- HOME SECURITY SYSTEM UTILIZING TELEVISION SURVEILLANCE – Marie, Van Brittan Brown
- Marie Van Brittan Brown @ Wikipedia
- US Black Engineer & IT – Google Books (Google Books search)
- Black Inventions In Daily Life by Matt Montague (US Black Engineer & IT)