John Wrench | |
|---|---|
| Born | October 13, 1911 |
| Died | February 27, 2009 (aged 97) |
| Alma mater | University at Buffalo Yale University |
| Known for | Computing π |
| Scientific career | |
| Fields | Mathematics |
| Institutions | David Taylor Model Basin |
John William Wrench, Jr. (October 13, 1911 – February 27, 2009) was an American mathematician who worked primarily in numerical analysis. He was a pioneer in using computers for mathematical calculations, and is noted for work done with Daniel Shanks to calculate the mathematical constant pi to 100,000 decimal places.