People who have been involved with Python’s imports (incomplete):

“experts”: Brett Cannon, Nick Coghlan

Brett Cannon (importlib) Just van Rossum (PEP 302) Paul Moore (PEP 302) Aahz (PEP 328) Martin v. Loewis (PEP 382) P.J. Eby (PEP 402) James C. Ahlstrom (PEP 273) Nick Coghlan (PEP 338, PEP 366, PEP 395) Christian Heimes (PEP 370) Thomas Wouters (PEP 221) Barry Warsaw (PEP 3147) Tim Peters (PEP 225) Guido van Rossum (pretty much everything else <wink>)