Many students at his university would have known his name, but they could all identify him by his signature.

他学校中的很多学生本来是知道他的名字的，但他们都只能从他的签名认出他。

youdao

I would like to inform you that some students are still missing handing in their quizzes and exams with your signature.

我想告知您，还有一些同学仍然没有交上您签过字的试卷。

youdao

According to my confidential source, the reason is that New York state has steadily lowered the difficulty of its signature Regents Exams, a battery of standardized tests that most non-disabled New York students must pass before accruing a state-certified high school diploma.

FORBES: Are New York City Students Getting Smarter Or Are Regents Exams Getting Easier?

Aber Students Against The Cuts has organised a number of protest events, including a 1, 500 signature petition.

BBC: Aberystwyth students in protest over tuition fees rise