7A. One or more sentences on a single theme -?A?A?R?P?
29A. Science of the elements and their compounds - ???M?S?R?
34A. Place name derived from a person - E?O?Y?
49A. Overall winners - ?H?F?I?NS
56A. Fabric witha wavy lustrous finish - ?A?E?E? silk
26D.Blackening with fire - is it "burning"
44D. Liquid formed by the oxidation of alcohol - AC?T?L
47D. Bail out with legal defence ?C?T?L
Can anyone name the people in the pictures please as I have no idea who they are. Needles to say I haven't done this crossword previously and may not do it again! Thanks - Hoaroak