Her husband was a respected amateur entomologist, owner of a large collection of unique insect specimens and author of entomological publications.

She settled with him in Zawiercie, Silesia, and under his guidance she transformed from an observer of local living species of the order Lepidoptera into the first Polish butterfly researcher.

Every day, she accompanied her husband on field expeditions, and also expanded her knowledge and honed her practical entomologist skills in his studio in Zawiercie.

[3] Her expeditions in Paraná were fraught with danger - getting lost in the thick jungle, encountering wild animals, unpredictable and sudden weather events, and attacks by armed bandits terrorizing the local population.

[3] Isaakowa returned to Poland in May 1928, bringing back 15,000 specimens (part of them are currently in the Museum and Institute of Zoology of the Polish Academy of Sciences in Warsaw).

However, in 1939, shortly before the outbreak of World War II, the Polish embassy in Rio de Janeiro officially informed the traveler's family of her drowning after her Indian dugout canoe crashed on the Ucayali River.