This is a summary of people that have worked on the VAX port in different stages of its development.
Joachim Isaksson wrote the first pmap and gave lots of help with gcc functionality
Mattias Grönlund wrote locore and interrupt handling code
Mattias Aringslund supplied lots of help and ideas everywhere
Bertram Barth wrote bootblocks and boot routines for the uVAX and the TS11/TSV05 driver
Rick Macklem fixed all uVAXII, TMSCP and DEQNA support
Rolf Larsson was a good Doc and WWW slave and innocent bystander
Gunnar Helliesen is maintaining the NetBSD/VAX FAQ
Ken Wellsch wrote the DHU11 line driver and did optimizations inside the kernel
Anders Magnusson put things together and wrote the pieces that nobody else wanted to. Anders is also the NetBSD/vax port maintainer.