Though this image is subject to copyright, its use is covered by the U.S. fair use laws, and the stricter requirements of Wikipedia's non-free content policies, because:
It is a historically significant photo of a famous individual that has appeared in the public domain in numerous publications such as the various quarterly periodicals, e.g. the British 'Spiritual Link', the South African 'Science of the Soul', the Canadian and North American 'RS Greetings', the Hong Kong's 'Path of Love' etc.
The photo is only being used for informational purposes.
Its inclusion in the article adds significantly because the article is of a biographical subject matter.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.