Today I learnt the sad news that John Lander has passed away. John Lander founded the SIGnet (Serious Investor Group Network) organisation over 20 years ago and ran it, more or less single handed for most of that period. You can see a video from John describing the origins and purpose of SIGnet on the organisation's home page: http://www.signet.org.uk/index.html I am writing this piece to express my admiration for what he achieved, though I never met him. The SIGnet group concept provides an ...