He was the son of a merchant Kalman Poznanski and Malka of Gdanskich, from Kowal in Kujawy. In 1834 the Poznanskich family moved  from Aleksandrow to Lodz, here finished elementary school and so called progimnazjum.  Future multimillionaire learned his future profession from scratch. As a teenager he gathered the material riding rickety old cart, pulled by a horse. In the future, reluctant rich man claimed that he had no horse and cart was harnessed by dogs. At seventeen he married Leoni Hertz, Hertz, daughter of Moses, a wealthy merchant in Warsaw. In his biography, you can clearly see the transformation initially was known as a ruthless employer ,who didn't take care of the safety of workers. In the factories were many fatal accidents, he was also responsible for the disability of many laborers. But at the end of his life unexpectedly engaged in charitable activities, build orphanages, schools and hospitals for the poor.

Poznanski had four sons: Ignatius, Herman, Charles and Maurice, and two daughters: Anna (Ajdlę), wife of Jacob Hertz, and Joanna Natalia, wife of Sigismund Lewinski.

In December 1852, the Board took over from his father's mercantile family.

In 1871 starts, lasting till 1892, buying of land along Ogrodowej Street 17 - 23, on which in future industrial complex will develop

In 1872 he created  the first object name - weaving on mechanical performance.

In subsequent years, followed by rapid expansion of facilities, which increase successively by:

1874/1875 - zoom in weaving, construction and finishing "Bielnik"

1877 - building a huge edifice of spinning

1878 - their own machine shops

1880 - name of the hospital (Hospital St. Joseph, out of them. Radlińskiego) Street. Drewnowska 75

1885 - 1890 - founds "the Jewish Hospital, currently Clinical Hospital Street. Sterling 1 / 3

1887 - dye, finisher and a central boiler

1890, 1895 - another weaving mills

1893 - cast iron foundry

1895-1897 - the great stores of cotton in the Old Cemetery

October 29, 1889 the company, like other companies lodz cotton is converted into a public limited company. The official name of the plant is "Cotton Products Joint-Stock Association IKPoznańskiego in Łódź"

Sprawling plant in Poznan employed over the years more and more employees:

In 1865 - 70 workers

in 1879 - already 426 workers

in 1906 - the average state employment is 6800 people.

Israel Poznanski, died April 28, 1900 and was buried in the family tomb in the new Jewish cemetery in Lodz.

fot. pl.wikipedia.org