The existence of antibodies was brought into question in an article published in 1925. “This mysterious anti-body has never yet been isolated, nor its presence proved, it must remain open to the charge of being but a figment of the "scientific" imagination.” — Dr. Walter Hadwen, 1925 https://archive.org/details/sim_english-review-uk_1925-07_41_0/page/116/mode/2up ![[Pasted image 20260110212712.png]]