see '/home/bill/web/ProjMajor/Civilisations and sun/Howell - radioisotopes and history.jpg' 
	 '/home/bill/web/ProjMajor/Climate and sun/Charvatova solar inertial motion & activity/Radioisotopes/Howell - history timelines and radioisotopes.jpg'
	 '/home/bill/web/ProjMajor/History/Howell - radioisotopes and history.xcf'

old version like Steven Yaskell 
	'/home/bill/web/ProjMajor/History/
		Howell - history timelines - raw series.jpg'
		Howell - history timelines - raw series.xcf'