The April issue of the Hadley Newsletter is being prepared. Anyone wishing to submit articles may do so by emailing them to Terry at: tmclean@earthlink.net Articles must be received by April 21. All submissions will be considered. Choices will be made determined by appropriate content, and space available, and at the sole discretion of the editor. Articles may be edited for length, etc. If your article is selected, you will be contacted directly for specific permission to include and approval of editing. Articles not selected for this issue may be considered for future issues. Thank you Terry McLean Hadley Society HadleySociety.org