Sir Walter, with Julia Bodmer , was a pioneer in the deelopment of the human tissue typing, or HLA system and has worked to understand how cancer cells can escape from attack by the immune system.

• 华尔兹先生与朱丽娅.；波德迈尔同是人类主要组织分型即人类白细胞抗原系统研究发展的先驱，他的工作有助于了解癌症细胞如何逃避免疫系统攻击的机制。