John L. Hennessy's new haircut (updated December 2024)

Everything you need to know about his controversial new style.

First of all, how do you like his new look? Vote right here:

Check out John L. Hennessy's current and previous haircuts:

John L. Hennessy has had many different haircuts in the past decade. He is most known as an outstanding computer scientist, engineer and university teacher. However, the American computer scientist is mainly known for his unique fashion sense and his likable personality. Rumors and gossip about the 72-year old's hairstyle are always featured in celebrity magazines and tabloids. Check out John L. Hennessy's former looks in the image gallery right here:

© Steve Jurvetson from Menlo Park, USA / cc-by-2.0
© Eric Chan / cc-by-2.0

Which hairstyles would you like to see on him?


Only people with an IQ above 160 know what these 5 celebrities have in common with John L. Hennessy.

How to get hair like John L. Hennessy?

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