Gregory Paul Horn, 68, passed away unexpectedly on July 17, 2015. Loving father to Melissa (Chris) Krol and Patrick (Jennifer) Horn. “Papa with the cat” to Alexander, McKenzie and Madison. Brother to Donald Horn. Although born and raised in St. Louis, Mo, he has spent the last 38 years in Atlanta. He was a dedicated, hardworking entrepreneur who along with his family owned and operated several successful businesses. He will be greatly missed. A celebration of his life will be held at Kennesaw Memorial Park, 1306 Whitlock Avenue NW, Marietta, GA., 30064 on August 8th, 2015 at 11:00 o'clock. The family will receive visitors immediately following the ceremony. In lieu of flowers, donations can be made to the American Cancer Society, which was a charity close to the family’s heart.