Rejlander was the main contributor of photographs for Expression and Darwin's principal adviser on photography. (newscientist.com)
Deborah Delisle is Assistant Secretary for Elementary and Secondary Education and serves as principal adviser to the U.S. Secretary of Education on all matters related to early learning and elementary and secondary education. (ceelo.org)
«Given how much No 10 clearly loathed Gove's principal adviser at the time and were as exasperated as I was by his occasional public outbursts, this didn't seem to come as much of a surprise to Cameron,» Clegg writes. (theguardian.com)