A long dining room with framed papers on the wall, a long set table, a red armchair, and a record player and books on a cabinet, with a wall of windows onto a garden and forest.

Oliver Hahn

In middle school I read about DNA replication failures and got hooked on aging. Now I lead brain aging at Calico. Put young immune cells into an old brain and it ages them fast. I build discovery engines to find what drives brain aging.

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