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.
Jack Kilby is probably most famous for his invention of the integrated circuit, for which he received the Nobel Prize in Physics in the year 2000. After his success with the integrated circuit Kilby stayed with Texas Instruments and, among other things, he led the team that invented the hand-held calculator.