Jon was one of my closest friends. We met when he started his PhD and we shared an office for a couple of years. We remained close over all the subsequent years: he always had time for his old friend, a pint or three, dinner, and a chat. Most importantly he was loyal and supportive to me. I am truly devastated by the news of his death, and my heart goes out to Nilli and the boys, the family he loved above all else.
There are many stories about Jon's brilliance. One I recall reflected his talent as a writer, something I have always found hard going, to say the least. I arrived at his office to arrange an evening out. He told me he was just starting a paper, as I could see from the first sentences under the heading "Introduction". A three-experiment study, to be about a 15 to 20 page MS. I returned about 3 or 4 hours later for him to request just another 10 minutes, so he could submit it now. No re-writes, cutting and pasting or second thoughts for Jon: close to perfect in one go.
This is just a snap shot of the man, a super-star in the world of Cognitive Neuroscience, but more importantly, my dear friend.
