(CNN)Here is a look at the life of Dennis Hastert, the longest-serving Republican speaker of the House.
Birth date: January 2, 1942
Birth place: Aurora, Illinois
Birth name: John Dennis Hastert
Father: Jack Hastert, former restaurant owner
Mother: Naomi (Nussle) Hastert
Marriage: Jean (Kahl) Hastert (1973-present)
Children: Ethan, Joshua
Education: Wheaton College, B.A., 1964; Northern Illinois University, M.S., 1967
Goes by the nickname "Denny."
Hastert is diabetic.
Was named Illinois Coach of the Year after leading the Yorkville High School wrestling team to the state championship.
Instituted the so-called "Hastert Rule," an informal guideline where only legislation supported by "the majority of the majority" party is brought to a vote on the House floor.
1964-1980 - Wrestling and football coach and government/history teacher at Yorkville High School.
1980-1986 - Member of the Illinois House of Representatives.
January 3, 1987-November 26, 2007 - U.S. Representative from Illinois' 14th congressional district.
1995-1999 - House Chief Deputy Minority Whip.
January 6, 1999 - Is elected speaker of the House, replacing Newt Gingrich.
November 22, 2003 - Hastert fights hard to secure passage of a Medicare bill in the House. The vote takes three hours and lasts well into the night. It is signed into law by President George W. Bush on December 8 after also being passed by the Senate.
June 1, 2006 - Surpasses Joe Cannon to become the longest-serving Republican speaker of the House in U.S. history.
October 3, 2006 - Appears on "The Rush Limbaugh Show" and says he has no intention of resigning regarding the controversy over Rep. Mark Foley's (D-FL) sexually explicit e-mails to underage pages.
November 7, 2006 - Is re-elected to his eleventh term in Congress. Republicans lose their majority in the House, so Hastert loses his position as speaker of the House when the new Congress begins on January 4, 2007.
August 17, 2007 - Announces that he will not run for re-election in 2008.
June 2008 - Joins the Washington lobbying firm of Dickstein Shapiro as a senior advisor.
June 8, 2009 - Dennis Hastert's son, Ethan Hastert, announces he will run for his father's former congressional seat but later loses in the GOP primary.
May 7, 2010 - Hastert is conferred the Grand Cordon of the Order of the Rising Sun by Emperor Akihito of Japan.
May 28, 2015 - Federal officials indict former House Speaker Dennis Hastert for lying to the FBI about $3.5 million he agreed to pay to an undisclosed subject to "cover up past misconduct." The Justice Department alleges that Hastert paid the subject a total of about $1.7 million over a period of years beginning in 2010 and ending in 2014. Hastert resigns from the lobbying firm Dickstein Shapiro.
May 29, 2015 - Sources with knowledge of the federal government investigation tell CNN Hastert was paying a former student to keep quiet about allegations of sexual misconduct from the time when Hastert was a teacher and wrestling coach in Illinois.
June 9, 2015 - Pleads not guilty to all charges related to lying to the FBI about $3.5 million he agreed to pay to an undisclosed subject to "cover up past misconduct."
December 17, 2015 - A statement is released announcing that Hastert was admitted to the hospital in the first week of November 2015. He had a stroke and sepsis. This was followed by two back surgeries. He is expected to remain in the hospital until 2016.