He received his bachelor's degree in 1963 at Brooklyn College and his Ph.D. at Purdue University in 1967. His doctoral thesis was "A design algorithm for sequential machines and definability in monadic second-order arithmetic."
- President, Internet Society 
- Fellow, ACM.
- Honorary Doctor of Humane Letters, Brooklyn College, 2009 
- IEEE Award on International Communication, 2005
- Member of the board of Internet2 (2000–2008)
- Jonathan B. Postel Service Award of the Internet Society, for CSNET, 2009
- In 2012, Landweber was inducted into the Internet Hall of Fame by the Internet Society.
- "The Net50". Newsweek. 25 December 1995.
- Review, American Mathematical Monthly, Mar., 1976, vol. 83, no. 3, p. 211-213
- "Brooklyn College | "Internet Guardian" Lawrence H. Landweber (?63) to Deliver BC Commencement Address". www.brooklyn.cuny.edu. Archived from the original on 2009-10-08.
- 2012 Inductees, Internet Hall of Fame website. Last accessed April 24, 2012
- http://pages.cs.wisc.edu/~lhl/ Official web page at Wisconsin