sentences:  At the start of the 1946-47 session of Parliament, she was nominated by the Speaker to the Chairmen's Panel of Members to act as temporary chairmen of committees of the whole House and chairmen of standing committees.During a supply day debate on Scottish civil aviation estimates on 31 May 1948, she became the first woman to preside over the whole House of Commons.She did not, however, sit in the Speaker's Chair.