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Fifty years

In the scientific world, 50 years can be an eternity. Consider the fruit fly or certain cells – organisms whose lifespan is counted in hours or days. Or, it can be the blink of an eye when compared to the progression of an ice flow, for instance. In the field of stem...

A tribute to Ernest “Bun” McCulloch (1926-2011)

  On January 20, 2011 Ernest (“Bun”) McCulloch passed away. Although Bun was known to the young generation of stem cell researchers only by reputation, for those of us who knew him “back then” he was an icon. “Back then” was the 60s and 70s when the group led by...