With the science of survival article and lately the book “bridge to the future” Potter became famous releasing the neologism “bioethics” and then known as the founder of bioethics. However, 43 years before, Jahr had proposed a similar idea in the article “Bio-ethics: reviewing the ethical relations of humans towards animals and plants (translated from German)”. We propose to correct the idea that Jahr is merely a precursor—and not a founder—of bioethics, here speculating the bridge bioethics of Rensselaer Potter as close similarity with Jahr’s thoughts. Following the “content analysis” method, a table was built to compare the theoretical schemes of Potter and Jahr, correlating by qualitative meta-analysis, each paragraph of Jahr’s base text (1927) with Potter’s analogous (1970). The similarity of the texts reveals that, in theory, Potter benefited from Jahrist utopia, imposing it a reductionist lineage. Potter expresses, therefore, an ethnological capture of jahrism.; Člankom o znanosti preživljavanja, a kasnije i knjigom „Most prema budućnosti“, Potter je postao slavan upotrijebivši neologizam „bioetika“ i nakon toga poznat kao osnivač bioetike. Međutim, 43 godine prije Jahr je imao sličnu ideju i iznio je u članku „Bioetika: preispitivanje etičkih odnosa ljudi prema životinjama i biljkama (prevedeno s njemačkog)“. U radu predlažemo ispravljanje ideje da je Jahr samo preteča, a ne osnivač bioetike. Razmatramo bioetiku mosta Rensselaera Pottera kao vrlo sličnu Jahrovim mislima. Metodom „analize sadržaja“ napravljena je tablica koja uspoređuje teorijske sheme Pottera i Jahra, korelirajući kvalitativnom metaanalizom svaki odlomak Jahrova temeljnog teksta (1927.) s Potterovim analognim tekstom (1970.). Sličnost tekstova otkriva da je Potter, u teoriji, imao koristi od Jahrove utopije, namećući joj redukcionističko podrijetlo. Potter, prema tome, izražava etnološki vid jahrizma.