Stuck on 8a, 2d and 4d to complete.
2d "Pioneer" of space travel making messenger stick with study - swell!
---E -O-D-N-E-R- Free Londonderry keeps sticking in my mind but that can't be right.
8a Lawrence told people about Henry's fundraiser
-E---H--
4D The game's over- ready to meet one's maker
---F-