Česlovas Gedgaudas was a Lithuanian diplomat, translator, polyglot, and bioelectronics specialist. He is most known for his pseudohistorical book Searching for Our Past, in which he theorized that the Balts once inhabited most of Europe, among other theories.
Gedgaudas' most famous work is the book Searching for Our Past, first published in 1972 in Mexico City, and then republished in Lithuania in 1994 and 2018. In it, Gedgaudas talks about his theory that the Balts, or Lithuanians, inhabited a large part of Europe, and that the Goths, Vandals and Veneti were actually a Baltic people. To prove his theory, he compared a set of words and place names in different languages. It is considered a pseudohistoric work, and the linguist Zigmas Zinkevičius classifies Gedgaudas, Jurate Rosales and Aleksandras Račkus as being in the same school of thought. Based on the studies of Theodor Mommsen and Alfred Gutschmit, Gedgaudas developed a chronology of the expansion of the Goths. He dated the first great Goth expedition as happening in the year 1490 B.C., during the reign of Bueric. The Gothic conquest of Scythia would have begun in 1324 B.C. with King Pilimer. Their arrival in India, under King Thanauso, would have occurred some time after 1290 B.C. Gedgaudas proposes that the wordAisčiai, with which the Balts call themselves, was a cognate of the Lithuanian verb eiti, which means "go, walk", and of Greek Aistos and Slavic Aisr, ancient names for storks which are migratory birds. He attributed the Godo to the Baltic word Gaudas, "the subject that catches", from the word Gaudo, "catch", which could mean "the one who catches the beef", a cattleman, or "the one who catches a slave", a warrior. He derived Vandal from Vanduoliai, or "inhabitants of a place with water". Gedgaudas accepted the authenticity of the works of the historian Hinnibaldus on the Franks in the 5th century, who said that the Trojan War happened in 1179 B.C. Gedgaudas, upon seeing in the names of Frankish kings an indication of their closeness to the Baltic peoples, identified the Franks with the Cimmerians. Gedgaudas suggested that the alphabet used by Romuva priests, since lost, was a runic alphabet, making this conclusion from the Lithuanian wordRantyti, Ranto, meaning "to record" and "to speak" in Latvian. He defended the theory that the Hyperborean gods in Greco-Roman mythology had Baltic origins.