Cancer Kills Millions of Dogs. Will Immunotherapy Prolong Their Lives? NYT: Science Matt Richtel 21 June 2024 at 05:00 Dr. Hans Klingemann, pioneering immunotherapy scientist, has studied whether the innovative treatment could save his two pets. ยฉ Matt Cosby for The New York TimesDr. Hans Klingemann is the chief science officer at ImmunityBio, which develops immunotherapy drugs for people. He also explores whether the treatments might someday prolong dogsโ lives.