1. Charles Babbage (Dec. 1791 – Oct. 1871)

2. Who was Charles Babbage? Mathematician Mathematician Philosopher Philosopher Inventor Inventor Mechanical engineer Mechanical engineer Computer scientist Computer scientist

3. Family Roots & Background Father - Benjamin Babbage (a wealthy banker) Father - Benjamin Babbage (a wealthy banker) Mother - Betsy Plumleigh Teape Mother - Betsy Plumleigh Teape Married to Georgiana Whitmore Married to Georgiana Whitmore 8 children 8 children

4. Biography Arrived Trinity College, Cambridge in 1810 Arrived Trinity College, Cambridge in 1810 Disappointed about the math programs available at Cambridge Disappointed about the math programs available at Cambridge Co-founded Analytical Society with John Herschel, George Peacock Co-founded Analytical Society with John Herschel, George Peacock Received an honorary degree without even being examinated in 1814 Received an honorary degree without even being examinated in 1814

5. Main Achievements Presented Difference Machine (to calculate polynomials by using a numerical method called the differences method) Presented Difference Machine (to calculate polynomials by using a numerical method called the differences method) Constructed Analytical engine (could calculate anything, not just tables, a full engine was never completed due to repeatedly failures to obtain funding) Constructed Analytical engine (could calculate anything, not just tables, a full engine was never completed due to repeatedly failures to obtain funding) Second Difference Engine Second Difference Engine

6. Father of Computer Analytical machine (the basic design of the modern computer) Analytical machine (the basic design of the modern computer) Ada Lovelace (the first computer programmer) Ada Lovelace (the first computer programmer)

7. References http://www.charlesbabbage.net/ (May, 2011) http://www.charlesbabbage.net/ (May, 2011) http://www.charlesbabbage.net/ http://ei.cs.vt.edu/~history/Babbage.html (May, 2011) http://ei.cs.vt.edu/~history/Babbage.html (May, 2011) http://ei.cs.vt.edu/~history/Babbage.html http://ei.cs.vt.edu/~history/Babbage.html http://blog.lib.umn.edu/hael0002/alt ernativemedia5413/2011/02/the- difference-and-analytical- engines.html (May, 2011) http://blog.lib.umn.edu/hael0002/alt ernativemedia5413/2011/02/the- difference-and-analytical- engines.html (May, 2011) http://blog.lib.umn.edu/hael0002/alt ernativemedia5413/2011/02/the- difference-and-analytical- engines.html http://blog.lib.umn.edu/hael0002/alt ernativemedia5413/2011/02/the- difference-and-analytical- engines.html