Alistair Buchanan, City banker who turned his skills to breathing new life into the beautiful gardens at Nymans – obituary He encouraged the National Trust to open the ruins of the house to visitors and with his business brain helped to make the garden a success Alistair Buchanan: coined the phrase ‘innovation is our tradition’ at Nymans Alistair Buchanan, who has died aged 85, was a respected City figure as chairman of the discount house Cater Allen; he gained more fulfilment, however, from his role in the restoration and renewal of the outstanding garden at Nymans in Sussex after the ...