Dr. Katalin Karikó and Dr. Drew Weissman have been named two of time’s 2021 #HeroesoftheYear as the miracle workers behind the COVID-19 vaccines. “The miracle workers behind the COVID-19 vaccines are the TIME Heroes of the Year not only because they gave the world a defense against a pathogen, but also because the manner of that astonishing achievement guards more than our health: they channeled their ambitions to the common good, talked to one another and trusted in facts.” — TIME Dr. Karikó and Dr. Weissman’s years of collaboration and dedication to science resulted in the groundbreaking development of mRNA vaccine technology, which allowed for the rapid development of the COVID-19 vaccine more than a decade later. Their remarkable discovery has already saved countless lives, but fighting COVID-19 is just the beginning for #mRNAvaccines. Read more about TIME’s 2021 Heroes of the Year at the 🔗 in our bio. 📷: mattiabalsamini for TIME.