Niels J.
Bjerrum

Copenhagen University


Jannik
Bjerrum

Copenhagen University






Carl J.
Ballhausen

Copenhagen University




Richard Adolf
Zsigmondy

Universität Göttingen


Arne
Westgren

University of Stockholm


Lars Gunnar
Sillén

Swedish Royal Institute of Technology


Thomas G.
Spiro

Princeton

Changliang
Xu

Princeton
(Options)

Changliang XuX