Complex sentence: His chief legacy, the Flag Institute, has hundreds of members in Britain and overseas, and he was recognised as Britain s foremost authority on flags by government agencies, the flag trade, the media, publishers, librarians and vexillologists of all ages and backgrounds.
Split into simpler sentences: His chief legacy, the Flag Institute, has hundreds of members in Britain and overseas. He was recognised as Britain s foremost authority on flags by government agencies, the flag trade, the media, publishers, librarians and vexillologists of all ages and backgrounds.