 It was established in 1998 to commemorate the life and career of Włodzimierz Kołos, one of the founding fathers of modern quantum chemistry.The medal features the picture of Kołos, his date of birth and death, the Latin inscriptions "Societas Chimica Polonorum", "Universitas Varsoviensis" and "Servire Veritatis Kołos Lectio Praemiumque" as well as the name of the recipient.The winners of the award so far have been