Misc: Who discovered that galaxies were all red shifted i.e the universe was expanding?

Questions

what was significant about the pretenders brass in pocket?

From which boomtown rats album did rat trap come?

which band topped the singles charts in 1999 -19yrs after their previous no1?

which year did shakespere's sister get to no1 with "stay"?

the single pride was taken from which u2 album?