Complex sentence: Lord Shaw of Dunfermline, Chairman of the Carnegie United Kingdom Trust, became Chairman of the Library, and Mr H. J. Wilson became Vice-Chairman, Secretary of Gardener's Trust for the Blind.
Split into simpler sentences: Lord Shaw of Dunfermline, Chairman of the Carnegie United Kingdom Trust, became also Chairman of the Library. He was assisted as Vice-Chairman by Mr H. J. Wilson, Secretary of Gardener's Trust for the Blind.