The chord struck by that line in The Graduate underscored how much had happened in the six decades since the summer of 1907, when Leo Baekeland made the laboratory breakthrough that would change the stuff our world is made of.

• （毕业生）里的那句话唤起的记忆着重体现了自1907年夏天以来60年中事物的巨大变迁。就在1907年，利奥·贝克兰在实验室里取得了突破，改变了组成世界的物质。