Hale Ashcraft [SEP] conflict
Hale Ashcraft
Hale Ashcraft served in the California legislature and during World War II he served in the United States Army.
. In 1984, during an extended visit to SEP Einar introduced SY to Shuki Ronen, then a graduate student at Stanford. Ronen further developed SY from 1984 to 1986. Other students at SEP started to use it and contributed code and ideas. SY was inspired by much other software developed at SEP and benefited from the foundations laid by Claerbout and many of his students; Rob Clayton, Stew Levin, Dave Hale, Jeff
Thorson, Chuck Sword, and others who pioneered seismic processing on Unix in the seventies and early