Sen. Johnny Isakson (R-GA) (L), testifies before the Senate Banking, Housing and Urban Affairs Committee during a hearing on Capitol Hill October 20, 2009 in Washington, DC. (Photo by Chip Somodevilla/Getty Images)
Johnny Isakson, President of Northside Realty (Joe McTyre/AJC staff) 1995
U. S. Rep. Johnny Isakson(R) meets constituents and business people under the watchful eye of a picture of his father, Ed Isakson, at the Ed Isakson Alpharetta Family YMCA (it was named for his father) 2/5/01. (PHOTO: DAVID TULIS/AJC)
Johnny Isakson makes a point during his announcement to run for Sam Nunn's seat in the U.S. Senate. Accompanying Isakson at his announcement were son Kevin (left), wife Diane and (not pictured) son John. (AJC photo/John Spink)
GOP U.S. Senate candidate Johnny Isakson (cq) walks past supporters after greeting them as he speaks to the media at the Grand Hyatt Hotel in Buckhead Tuesday evening 7/20/2004. (BITAHONARVAR/STAFF)
Johnny Isakson and Georgia Governor Zell Miller at a press conference announcing the appointment of Johnny Isakson to be the Chairman of the State Board of Education on December 11, 1996. (AJC Staff Photo/Rich Addicks)
Sen. Johnny Isakson questions Kelly Craft, President Trump's nominee to be Representative to the United Nations, during her nomination hearing before the Senate Foreign Relations Committee on June 19, 2019 (Photo by Stefani Reynolds/Getty Images)
Sen. Johnny Isakson (R-GA) speaks during the Election Night event for Republican gubernatorial candidate Brian Kemp at the Classic Center on November 6, 2018 in Athens, Georgia. (Photo by Kevin C. Cox/Getty Images)
U.S. Sen. Johnny Isakson (R-GA) (R) meets with Supreme Court nominee Judge Brett Kavanaugh in his office on Capitol Hill July 17, 2018 in Washington, DC. (Photo by Alex Wong/Getty Images)
U.S. Sen. Johnny Isakson (R-GA) passes through the basement of the U.S. Capitol prior to a Senate Republican Policy Luncheon January 17, 2018 in Washington, DC. (Photo by Alex Wong/Getty Images)
U.S. Sen. Johnny Isakson is seen at the Capitol September 28, 2016 in Washington, DC. (Photo by Alex Wong/Getty Images)
U.S. Sen. Johnny Isakson speaks to the crowd in support of Republican U.S. Senate candidate David Perdue at the InterContinental Buckhead November 4, 2014 in Atlanta. (Photo by Jason Getz/Getty Images)
Rep. Timothy Walz, Sen. Richard Blumenthal, House Veterans Affairs Committee Chairman Jeff Miller, Sen. John McCain and Johnny Isakson attend a ceremony in the Rayburn Room at the Capitol Feb. 10, 2015 (Photo by Chip Somodevilla/Getty Images)
(L-R) Sen. Rand Paul, Sen. Johnny Isakson and Georgia Senate candidate David Perdue campaign at the McDonough Square on October 24, 2014 in McDonough. (Photo by Jessica McGowan/Getty Images)
(L-R) David Gregory, Georgia Gov. Nathan Deal, U.S. Senator Johnny Isakson and Atlanta Mayor Kasim Reed attend Education Nation Job One Panel Discussion at Georgia Aquarium on May 7, 2012 (Photo by Moses Robinson/Getty Images for NBCUniversal)
U.S. Senator Johnny Isakson and Spelman College President Dr. Beverly Daniel Tatum attend Education Nation Job One Panel Discussion at Georgia Aquarium on May 7, 2012 in Atlanta, Georgia. (Photo by Moses Robinson/Getty Images for NBCUniversal)
Senator Johnny Isakson (R-GA) speaks to a crowd of current and retired Delta Airlines employees gathered on Capitol Hill to protest the potential takeover of their company on January 23, 2007 in Washington, D.C. (Photo by Jamie Rose/Getty Images)
U.S. Senator Johnny Isakson (R-GA) (L) poses for photographers with his wife Dianne and U.S. Vice President Dick Cheney (R) during the reenactment of a swearing-in ceremony January 4, 2005. (Photo by Alex Wong/Getty Images)
U.S. Representative Johnny Isakson, (R-GA) speaks in support of the public display of the Ten Commandments during the Spirit of Montgomery-Save the Commandments Caravan at the state Capitol September 29, 2003 (Photo by Erik S. Lesser/Getty Images)
US Rep. Johnny Isakson visiting the Atlanta Kiwanas Club meeting on Tuesday, December 8, 2003 at the R. Charles Loudermilk Sr. Center for the Regional Community in Atlanta. (JOHN SPINK/AJC staff)
U.S. Senator Johnny Isakson attends NBC News Education Nation Job One Panel Discussion at Georgia Aquarium on May 7, 2012 in Atlanta, Georgia. (Photo by Moses Robinson/Getty Images for NBCUniversal)
Sen. Johnny Isakson (R-GA) speaks during a press conference on Capitol Hill August 4, 2010 in Washington, DC. (Photo by Brendan Smialowski/Getty Images)