In order to create our exhibition, we needed help from many people and institutions, who we want to acknowledge.

We thank the management and the teachers of the Henryk Sienkiewicz Secondary School no. 1 in Łańcut who helped us with forming this project by sharing to us the materials connected with the professor Jan Marszał.

Huge thanks to Mrs. Elżbieta Halicka - professor's daughter. She gave us a tons of information about her father. She also gave us permissions to make use of the private photos collection. We thank Mrs. Elżbieta Halicka's husband for an interesting interview about the professor too.

We are also grateful to prof. Eugeniusz Śmietana for sharing a lot of valuable information during his interview and for handing over the needed materials.

Many thanks to prof. Aldona Stolarska-Ferenc for providing us with information about Mathematical Contest of prof. Jan Marszał.

We also want to thank prof. Marta Kaczmarczyk for sharing her memories about prof. Jan Marszał.

We want to express our gratitude to Mr Józef Szczupak, Mr Janusz Wojnar and everybody who shared with us information about professor Marszał.

We thank all of those who we could not mention here but who offered their support to help with the creation of this wonderful project.