We have no problem what so ever for you to view, download, e-mail or print the photographic content of the Photohelios website (i.e. our b&w photos) but only for your personal, non-commercial use.
Acknowledging the source of the copyrighted material should also be included if used in third-party websites which of course does not substitute for obtaining permission for further profiteering and exploitation of the HELIOS team member's photographic work.

Only the members of HELIOS - the Heliosists - have sole rights to their work.