Minutes of the meeting of the Optical Subcommittee of the British National Committee for Physics Present: Professor R W Ditchburn [Chairman]; Dr K M Greenland; Mr K J Habell; Dr H H Hopokins; Dr E H Linfoot; Dr A C MEnzies; Dr T S Moss; Mr E W H Selwyn; Dr W S Stiles; Professor W D Wright; Mr C G Wynne Matters discussed; 1. Sub-Committee. Chairman It was noted that the Council of the Royal Society had appointed Professor R W Ditchburn to be Chairman of the Optical Sub-Committee in place of Dr E W Taylor who had expressed the wish to resign as Chairman and as a member of the Sub-C0mmittee. ?The Chairman read fromt Dr Taylor's letter of 3 January thankiong the members of the Sub-Committee to express its warm appreciation of his valuable guidance. 2. Minutes The minutes of the meeting held on 15 March 1960 were confirmed. 3. Conference on Optical Instruments 1961 4. Sub-Committee Membership 5. VI Coongress and Commission meetings of the I.C.O. Munich, 1962 5a Delegagtes 5b Agenda 5c Grants 6. ICO Colloquia and Summer Schools 7. Exchange of post-doctoral research workers in optics 8. I.C.O. Optical Glossary Committee 9. Committe on the Assessment and Control of Optical Instruments 10. Sub-Committee. Terms of Reference 11. R.S. Meeting for discussion. Optical Masers. 2 February 1962