Contemporary · Hungary and United States
Katalin Kariko
Born 1955
Their story
Why Katalin Kariko matters
Kariko persisted in studying messenger RNA and helped make it safer and more useful in medicines.
Katalin Kariko worked in Hungary and United States during the Contemporary era. Today's researchers can combine powerful computers, international teams and extremely precise instruments, while also considering how discoveries affect society and the planet.
Studying biochemistry means tracking changes that may be too small to see directly. Katalin Kariko helped replace guesswork with observations, comparisons and explanations that other researchers could test.
Key discovery or invention
Nucleoside-modified mRNA for vaccines.
Katalin Kariko's central contribution was nucleoside-modified mRNA for vaccines.
The work identified a pattern in matter or a reliable way to investigate chemical change. Careful measurement meant that the result could be reproduced instead of depending on appearance or tradition alone.
Why it still matters: Modern laboratories build on this approach whenever they identify substances, measure reactions or design new materials and medicines. Katalin Kariko's work is one chapter in that continuing story rather than the final word.
Her work with Drew Weissman underpinned highly effective mRNA vaccines.