4月14日，他给洛斯阿拉莫斯实验室的R.佩尔斯写信，内容关于将冲击衰减的计算过程机械化，并且还提到他与艾肯也取得了联系。
On 14 April he wrote to R. Peierls at Los Alamos about the ' shock decay problem ' , saying that it could probably be mechanised , and adding that he was now also in touch with Aiken .
佩尔斯