The Auditor Who Called Rav Dovid Feinstein Honest
Rav Dovid Feinstein personally showed an auditor the yeshiva's books, and the auditor later sent his daughter to him to convert, calling him the most honest man he knew.
From the article
An auditor came to the yeshiva to check on the public funds the yeshiva was receiving. Up until the end of his life, Rav Dovid was personally involved in the finances of the yeshiva. So Rav Dovid personally opened up all the books and explained the numbers to the auditor. Later, the auditor’s daughter remarked to her father that she wanted to convert to Judaism. The auditor recommended that his daughter go to Rav Dovid to convert. He explained, “I never met a more honest person in my entire life.”