1. School of Biology
2. Biomedical Sciences Research Complex
3. University of St Andrews
4. St Andrews KY16 9ST
5. UK
6. Drug Discovery and Development Centre (H3D) and South African Medical Research Council Drug Discovery and Development Research Unit
7. Department of Chemistry and Institute of Infectious Disease and Molecular Medicine
8. University of Cape Town
9. Rondebosch 7701
10. South Africa
11. School of Chemistry
12. North Haugh
13. St Andrews
14. Marine Biodiscovery Centre
15. Department of Chemistry
16. University of Aberdeen
17. Old Aberdeen
18. Retired Chief
19. Natural Products Branch, NIH/NCI
20. Frederick National Laboratory
21. USA
22. Dept. of Biochemistry and Microbiology
23. Rhodes University
24. Makhanda (Grahamstown)