that you lose a good deal that is interesting of yesterday.
"Walker was one of the best men in Europe on nervous disease. You must have read his little book on sclerosis of the posterior columns. It's as interesting as a novel, and epoch-making in its way. He worked like a horse, did Walker—huge consulting practice--hours a day in the clinical wards—constant original investigations. And then he enjoyed himself also. ‘De mortuis,' of course, but still it's an open secret among all who knew him. If he died at forty-five, he crammed eighty years into it. The marvel was that he could have held on so long at the pace at which he was going. But he took it beautifully when it came.
"I was his clinical assistant at the time. Walker was lecturing on locomotor ataxia to a wardful of youngsters. He was explaining that one of the early signs of the complaint was that the patient could not put his heels together with his eyes shut without staggering. As he spoke, he suited the action to the word. I don't suppose the boys noticed anything. I did, and so did he, though he finished his lecture without a sign.
"When it was over he came into my room and lit a cigarette.
