What is meant by this acronym?

The "CSHKP" model is the standard model of large-scale magnetic reconnection as an explanation for solar flares and CMEs. The acronym stands for "Carmichael, Sturrock, Hirayama, Kopp-Pneuman," after some of the pioneers in this line of thinking, but there have been literally dozens of imitators of their early cartoons.

But, I think it all goes back to Giovanelli.