No, the "concept" of introducing RNA into a cell wasn't his. But yes, it was through his research that allowed for RNA to be introduced effectively in the first place. Article - Cationic Liposome-Mediated RNA Transfection. PMC 297778 credited as R W Malone. This is a major braekthrough in developing later technology. He's also been creditted as being one of if not the first to suggest such tech being used as treatment.