Dr. John Billings AM (5 March 1918-1 April 2007) was an Australian doctor who pioneered the natural method of family planning known variously as the Billings Ovulation Method, the Ovulation Method, or the Billings Method
Update this biography »
Read full biography on Biographies.net »
"John Billings Quotes." Quotes.net. STANDS4 LLC, 2014. Web. 22 Oct. 2014. <http://www.quotes.net/authors/John Billings>.