Aaron Klug
Nobel-winning biophysicist who developed crystallographic electron microscopy.
Sir Aaron Klug (11 August 1926 – 20 November 2018) was a British biophysicist and chemist. He was awarded the 1982 Nobel Prize in Chemistry for his development of crystallographic electron microscopy and his structural elucidation of biologically important nucleic acid-protein complexes.
- born
- 11 August 1926, Želva, Lithuania
- died
- 20 November 2018, Cambridge, England
- field
- Biophysics, Chemistry
- nationality
- British
- known_for
- Development of crystallographic electron microscopy; structural elucidation of n
Verified Timeline
Lore & Background
Klug was born in Lithuania to Jewish parents and emigrated to South Africa at age two. He also studied transfer RNA, zinc fingers, and neurofibrils in Alzheimer's disease.
Reader's Guide
Aaron Klug's significance lies in his pioneering work in structural biology. By developing crystallographic electron microscopy, he enabled the three-dimensional visualization of complex biological molecules, particularly nucleic acid-protein complexes. This technique bridged X-ray crystallography and electron microscopy, allowing researchers to determine structures that were previously inaccessible. His elucidation of virus structures, including tobacco mosaic virus and spherical viruses, provided fundamental insights into viral assembly and architecture. Klug's work on transfer RNA and zinc fingers advanced understanding of gene expression and protein-DNA interactions. As director of the MRC Laboratory of Molecular Biology, he oversaw a period of major scientific discovery. His legacy endures in the techniques and institutions that continue to drive molecular biology.
Did You Know?
- Klug was born in Lithuania to Jewish parents and emigrated to South Africa at age two.
- He completed his PhD at Trinity College, Cambridge in 1952.
- After his PhD, he worked with Rosalind Franklin at Birkbeck College, sparking a lifelong interest in viruses.
- He developed crystallographic electron microscopy, combining two-dimensional images from different angles to produce three-dimensional images.
Frequently Asked Questions
Who is Aaron Klug?
Aaron Klug was a British biophysicist and chemist, born in 1926 in Želva, Lithuania, who built his career around structural biology in Cambridge, England. He is best remembered for pioneering techniques to visualize biological molecules and for earning the 1982 Nobel Prize in Chemistry.
What did Aaron Klug win the 1982 Nobel Prize in Chemistry for?
He received the prize for creating crystallographic electron microscopy and for determining the three-dimensional structures of key nucleic acid-protein complexes. This work gave scientists an entirely new way to see how genetic materials interact with their partner proteins.
What is crystallographic electron microscopy and why did Klug develop it?
It is a method that uses electron beams to map atomic arrangements in biological molecules, extending the logic of X-ray crystallography to structures that refuse to form neat crystals. Klug devised the technique specifically to tackle nucleic acid-protein complexes that resisted traditional crystallographic approaches.
Where was Aaron Klug born and where did he die?
He was born on 11 August 1926 in Želva, Lithuania, and passed away on 20 November 2018 in Cambridge, England. His final decades were spent in the very city where he carried out most of his landmark research.
Why is Aaron Klug considered important in the history of chemistry and biophysics?
His crystallographic electron microscopy gave the scientific community a powerful new tool for resolving the architecture of biological molecules at near-atomic resolution. By elucidating the structures of nucleic acid-protein complexes, he helped lay groundwork that later shaped structural genomics and molecular medicine.
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