Turing was Church's doctoral student, too. In fact, Church taught many of the greatest computer scientists of the last century. Perhaps he doesn't get as much credit as he should because his influence is so pervasive and impossible to separate from his peers' accomplishments.
Perhaps the manner of his last years and eventual death is the reason for that. The man has a statue on a bench in Manchester. It's in the gay village.
https://www.genealogy.math.ndsu.nodak.edu/id.php?id=8011