David O'Hagan

Opinion
Is this the world’s oldest classroom periodic table?
2019-01-15T09:30:00
How a chart of elements from 1885 was found, rescued and restored
Review
Organic detective work
2010-07-30T08:28:00
Organic structure analysis
Feature
The iconic curly arrow
2010-03-31T09:53:00
Robert Robinson pioneered the use of curly arrows to show electron movement. David O'Hagan and Douglas Lloyd report on this eminent historical figure
Review
A favourite biomedical element
2009-06-26T15:08:00
Fluorine in medicinal chemistry and chemical biology