He was born on 28 June 1932 in Budapest. In 1955 he completed his studies, qualifying as a botanist and started to work at the Plant Taxonomy Department of Eötvös Lóránd University for the Hungarian Academy of Sciences (MTA). In 1968 he completed a post-graduate course in tropical botany at the Botanical Institutes of the Université de Paris (Orsay) From September 1977 he was employed at the Botanical Research Institute of the Hungarian Academy of Sciences where he was research deputy director from 1978 to 1989. Upon the invitation of the rector of Janus Pannonius University, he moved to Pécs and took over the leadership of the Department of Botany. In 1989, he became the dean of the Teacher Training Department and together with professor József Hámori they organised and pioneered the teacher training course for biologists. In 1997 became director of the Ecological and Botanical Institute of MTA where he began the development of the Ecology Centre and the related national Ecologic Network.