2) GitHub nathanncohen is a real GitHub account, not a mannequin - and it corresponds to Trac's ncohen just fine.
Perhaps he didn't respond to the recent invitation. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/a9ae0a4f-a9a7-45d1-9087-5081ad6527d2n%40googlegroups.com.