Complex sentence: While working on her dissertation Anderson co-discovered ACTH with J. B. Collip and D. L. Thomson and, in a paper published in 1933 explained its function in the body.
Split into simpler sentences: While working on her dissertation, Anderson co-discovered ACTH with James Bertram Collip and David Landsborough Thomson. In a paper published in 1933, she explained its function in the body.