1. Leading Investigator; Latvian Institute of Organic Synthesis; Aizkraukles iela 21 Riga LV-1006 Riga Latvia
2. Professor Emeritus, University of Michigan; Department of Chemistry; 930 N. University Ave. Ann Arbor MI 48109 USA
3. Professor Emeritus, University of Wisconsin; Department of Chemistry; 1102 University Ave. Madison WI 53706 USA