Ralph Lewis Knowles, Date of Birth, Place of Birth
TweetRalph Lewis Knowles
American educator
Date of Birth: 09-Dec-1928
Place of Birth: Cleveland, Ohio, United States
Profession: university teacher
Nationality: United States
Zodiac Sign: Sagittarius 
About Ralph Lewis Knowles
- Ralph Lewis Knowles (born December 9, 1928) is an American professor emeritus of architecture and a leading theorist of solar access design.
- He created the concept of the "solar envelope" and championed solar access planning.
- The solar envelope has influenced many city design and planning documents.
- He is a fellow of the American Solar Energy Society and an ASCA Distinguished Professor.
- He received the prestigious AIA Medal for research in 1974.
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