At IAP were working during 2012/2013 in total 123 persons, of them 29 scientists, 18 scientific-technical staff, 10 administration, 22 PhD students, 23 bachelor, master and diploma students, and 21 student and scientific assistants. Additionally, 36 trainees worked at IAP. 24 scientists and students from 12 countries were long-term guests at IAP. The IAP covers 38 permanent positions, temporary positions were covered by annex sources and third-party funding. Of the permanent positions, 18 were held by scientists.