It doesn't matter if you've never heard of them or if you never think of them again-- but, Titian. The famous Titian.

你们没听说过或者听完课就忘了也没关系,例如著名的提香

耶鲁公开课 - 欧洲文明课程节选

On the other hand, I also wouldn't be surprised if we never heard of the Lurd again.

BBC: Liberia's unusual war

But we haven't achieved Nuremberg's basic goal - never again.

NPR: Nuremberg's Legacy, 60 Years Later

For instance, an injury to the left hemisphere of the brain, which in 95% of people controls the capacity to understand and generate language, doesn't necessarily mean the patient can never have a conversation again.

CNN: The brain's amazing potential for recovery