Leica microscope

•1849 Carl KellnerOptical institutions in GermanyWetzlarestablish

•1869 ErnstLeitzAcquired this optical company and renamed itErnstLeitz

•1921 In SwitzerlandHeerbruggEstablish a stereoscopic microscope department

•1972 Leitz WetzlarandHeerbruggForming significant cooperation

•1986 Cambridge Instruments AcquisitionReichert-Jung

•1986 Leizi Instrument Group established

•1990 Leizi and Cambridge Instruments merge to form Leica InstrumentsLeitz& Cambridge

•1998 Leica Camera, Leica Microsystems, and Leica Geodesy: Three Companies

•2005 Danaher acquires Leica Microsystems

•2006 - Integrate different companies to becomeLeica Microsystems / Leica Biosystems