3 images. Caltech stunt, 22 May 1958. Hal Noltimier -- 26 years (Caltech senior - caught on campus during "Senior Ditch" Day) (tied to tree); Linda Hopkins (feeding him); Hugh Kieffer.; Caption slip reads: "Photographer: Swaim. Date: 1958-05-22. Reporter: Swaim. Assignment: Caltech stunt. 7, 8: Hal Noltimier, 26, Caltech senior, getting a little sympathy and feeding from Linda Hopkins, a professor's secretary, as he sits tied to big oak tree on campus. He was caught on campus during "Senior Ditch Day" in violation of lower class rules. 5, 6: Freshman Hugh Kieffer tests ropes and needles Senior Hal Noltimier, tied to tree for violating rules. 9, 10: Hal Noltimier, 26, alone, tied to tree".