crystallography

1951 Assistant lecturer, School of
Crystallography, Birkbeck College
1988~1991 Professor, School of Crystallography, Birkbeck
College
1988- Fellow of the Royal Society.
1998- Corresponding member, the Mexican
Academy of Sciences.
Honorary professor, Panyu Polytechnic,
Guangdong, China.
1991~2000 Professor Emeritus, School of Crystallography,
Birkbeck College
1999- Foreign member, the Korean Academy of
Science and Technology.
Honorary member, Materials Research Society
of India.
2001- Fellow of Birkbeck College, University
of London