Veteran Unix Administrator, gardener, carer about water ,life and mother earth

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.

space is the place - I write about urban data, art, information design & governance. More books & essays: http://offenhuber.net @dietoff

Writer & Researcher | Microsoft MVP | Author of 2 Books ｜Speaker/Lecturer of PKU/Upenn | Twitter:@Alphatu4 | Believe in the power of deep thinking

Owner @Emtrica. Investigating how to make computing devices sustainable. Passionate about informatics, electronics, stuff that moves by itself. Trombone Player