Ceimici is fisici a rugadh i gCinn Chardainn na h Alban ab ea James Dewar ( 20 Mean Fomhair 1842 – 27 Marta 1923 ). Sna 1870idi cheap se fleascan Dewar agus bhain usaid as ina thaighde ar theochtai isle is leachtu gas (1892). Le Frederick Abel ( 1827 - 1902 ) cheap se coirdit, a d'usaid arm na Breataine mar phriomhphleascan ar feadh i bhfad. Fuair se bas i Londain Shasana sa bhliain 1923. [1]