Member (1950) and, later, vice-president (1961 to 1973) of the Hungarian Academy of Sciences; member of the Bulgarian Academy of Sciences (1961), the Royal Irish Academy of Sciences (1948), the Mongolian Academy of Sciences and the Academy of Sciences of the German Democratic Republic (1954).
Lajos Kossuth | Lajos Portisch | Lajos Pósa | Lajos Kassák | Lajos Pósa (mathematician) | Lajos Koltai | Lajos Bokros | Mihály Lajos Jeney | Lajos Tihanyi | Lajos Tichy | Lajos Somodi, Sr. | Lajos Somodi, Jr. | Lajos Mocsai | Lajos Kiss | Lajos Gulácsy | Lajos Egri | Lajos Czinege |