<a href="https://en.wikipedia.org/wiki/Helena_Petrovna_Blavatsky" class="extiw" title="en:Helena Petrovna Blavatsky">Helena Petrovna Blavatsky</a> (1831-1891)
unklar
1877/1878
<a rel="nofollow" class="external autonumber" href="http://www.theosophycanada.com/bios/HPB_Bio.htm">[1]</a>