Sudoku Garden

It's another commemorative Sudoku Garden this week, celebrating the life of John Stevens Henslow who died on 16 May 1861. If you've ever walked through the Cambridge University Botanic Garden you've walked through one of his projects. As Professor of Botany he persuaded the university to move its cramped old physic garden out of the city centre to a new forty-acre site off Trumpington Road, then helped design the layout to teach the principles of plant classification through the planting...