Teacher:Given a sentence in Chinese, provide an equivalent paraphrased translation in Spanish that retains the same meaning both through the translation and the paraphrase.
Teacher: Now, understand the problem? Solve this instance: Bertlmann是已故Walter Thirring的密友和合作者，并与John Stewart Bell一起工作。
Student:
Bertlmann era amigo íntimo y colaborador de Walter Thirring y trabajó con John Stewart Bell.