sentences:  Gibson was an unsuccessful candidate in Roxburgh and Selkirk in 1929,
  Edinburgh North in 1931,
  at the Combined Scottish Universities in a 1934 by-election,
  and Dundee in the 1935 general election.He was elected as Member of Parliament (MP) for Greenock at a by-election in 1936,
  and held his seat until he resigned from the House of Commons in 1941 on his appointment as Chairman of the Scottish Land Court.He was elected a Fellow of the Royal Society of Edinburgh in 1944.