Tadeusz Jaczewski

At the International Zoological Congress in Budapest, 1927. Left to right are Tadeusz Jaczewski, Géza Horváth, Teiso Esaki and Wolfgang Stichel.

Tadeusz Antoni Franciszek Jaczewski (1 February 1899, Saint Petersburg – 25 February 1974) was a Polish entomologist who specialised in Hemiptera.