Kristen Iversen says he did become rich, but not until they had been married for seven years and had two children.

VOA: special.2010.03.08

Kristen Iversen says one of their major problems was that Brown was socially progressive and her husband was not.

VOA: special.2010.03.08

Kristen Iversen is an English professor and author of "Molly Brown: Unraveling the Myth."

VOA: special.2010.03.08

There are few differences in the scientific opinions held by Prof Nutt and Prof Iversen.

BBC: Profile: Professor Les Iversen, chief drugs adviser

Professor Les Iversen said he expected the panel would make a recommendation to the home secretary next Monday.

BBC: 'Action' on mephedrone pledged by Gordon Brown

Prof Iversen, who is the chief drugs adviser, said some Annihilation users become "severely agitated" and "over stimulated".

BBC: Annihilation legal high 'should be banned'