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December 21
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December 21 is the 355
th day of the year (356
th in leap years) in the Gregorian calendar. There are 10 days remaining until the end of the year.
- 2007 - Dr. Jeffrey Lewis joined the 2011 U.S. Deaflympics Winter Team in the capacity of Team Director.[1]
Births
- 1805 - Thomas Graham - Scottish Chemist. Graham first presented the principles of solute transport across a semipermeable membrane which are what the process of dialysis is based on.[2]
Deaths
- 1824 - James Parkinson - English physician, the first to describe paralysis agitans, a condition that would later be named Parkinson's Disease after him.
- 1926 - Robert P. McGregor - Deaf teacher and leader. First president of the National Association of the Deaf. Founder of the Ohio Home for the Aged and Infirm Deaf in 1896, now known as Columbus Colony.[3]
References
- ↑ "Lewis Selected as Team Leader of US Team to 2011 Winter Deaflympics." USA Deaf Sports Federation. December 21, 2007. Accessed on April 1, 2008.
- ↑ "Thomas Graham." Woodrow Wilson Leadership Program in Chemistry. The Woodrow Wilson National Fellowship Foundation. Accessed on March 9, 2008.
- ↑ "Anniversaries." The Red Notebook. Friends of Libraries for Deaf Action. Accessed on February 28, 2008.
