The Alexander von Humboldt Foundation: Carl Zeiss Humboldt Research Awards

Aimed at researchers in the science, technology, engineering and mathematics (STEM) disciplines who wish to collaborate with specialist colleagues in the federal states where the Carl-Zeiss-Stiftung provides sponsorship (Baden-Württemberg, Rhineland-Palatinate and Thuringia).
Funding: 100K EUR (research stay of up to 12 months in Germany possible), can provide further funding of 50,000 EUR to cover costs arising from the award winner’s collaboration with specialist colleagues in Germany.
https://www.humboldt-foundation.de/en/apply/sponsorship-programmes/carl-zeiss-humboldt-research-award