The IRSâs audit priorities fall into four areas: 1  Tax return ânon-filers and underreporting of income.â The IRS now estimates that there may be as many as of 8.6 million non-filers. 2  This number is up from about 6 million estimated non-filers just a few years ago.
Jack Kilby, in full Jack St. Clair Kilby, (born Nov. 8, 1923, Jefferson City, Mo., U.S.âdied June 20, 2005, Dallas, Texas), American engineer and one of the inventors of the integrated circuit, a system of interconnected transistors on a single microchip.
External Links. 1  British Broadcasting Corporation - Biography of Kilby and Noyce. 2  History of Computers - Biography of Jack Kilby. 3  Nobelprize.org - Biography of Jack Kilby. 4  The Economist - Biography of Jack Kilby. 5  The Washington Post - Jack Kilby, Touching Lives on Micro and Macro Scales.