Quispel also made contributions to the study of early "Jewish-Christian" traditions as well as Tatian's Diatessaron (a second-century gospel harmony). He died in El Gouna, Egypt.
The scholar Quispel examined the intersection of Jewish and Christian practices, as well as his work on Tatian's Diatessaron (a 2nd-century gospel harmony). He ultimately passed away in El Gouna, Egypt.