I'm not sure specifically who 'Jay Harding' is without more context. There could be many people with this name. It could be a local figure in a particular community, an artist, or someone with a personal story that's not widely known yet.
Yes, Jay Gatsby was inspired by a real - life figure. F. Scott Fitzgerald drew on his own experiences and the people he knew. The character represents the American Dream in a way, and Fitzgerald likely used elements of the extravagant lifestyles and social climbing he witnessed during the Jazz Age.
One key event was the attack on Nancy Kerrigan. Tonya Harding's ex - husband and his associates planned to harm Kerrigan to eliminate her as competition for Harding. This led to a huge scandal in the figure skating world. Another aspect was Tonya's difficult upbringing. She came from a tough family background which influenced her personality and her journey in skating.