 Laslo obtained these contracts by cultivating business relationships with various U. S. diplomats (connected with the administrations of Presidents James Buchanan, Abraham Lincoln, and Andrew Johnson) who were involved in U. S.-Russia trade relations during this time.Later (in the 1870s and 1880s), Laslo was involved in the burgeoning oil and gas industries in Russia.Laslo's son John Arthur Chandor (1850-1909), who was Louise's father, was also involved in various business activities in Russia.