Irena Sendler: The Social Worker Who Smuggled 2,500 Children Out of the Warsaw Ghetto

In the autumn of 1940, German authorities sealed roughly 400,000 Jews inside a walled district of Warsaw covering little more than a square mile. Within months, hunger and typhus were killing thousands every month. Officially, no one was allowed in or out. Unofficially, a small number of Poles held permits that let them cross the wall — among them a 30-year-old social worker from the city's welfare department named Irena Sendler.

Over the next three years, Sendler and a network of collaborators used those permits, and later the cover of the Polish underground, to carry approximately 2,500 Jewish children out of the ghetto and hide them in convents, orphanages and private homes across occupied Poland. She was arrested, tortured and sentenced to death. She survived, kept her records intact, and then spent decades in near-total obscurity. Her story is one of the clearest illustrations of a truth the Holocaust makes hard to hold onto: that ordinary people with ordinary jobs could, at enormous cost, choose to act.

Before the War

Irena Krzyżanowska was born on 15 February 1910 in Warsaw and grew up in Otwock, a small town southeast of the capital with a large Jewish community. Her father, Stanisław, was a physician who treated poor Jewish patients whom other doctors refused to see. He died of typhus in 1917, contracted from those patients, when Irena was seven.

She studied Polish literature at the University of Warsaw, where she publicly opposed the "ghetto benches" that segregated Jewish students in lecture halls, defacing her own student card in protest and earning a suspension. By the late 1930s she was working for the Warsaw municipal welfare department, running canteens and assistance programs for the city's poor.

Inside the Wall

When the ghetto was closed in November 1940, the welfare department was cut off from the Jewish families it had served. Sendler and a handful of colleagues began falsifying records, registering Jewish families under fictitious Christian names and inventing outbreaks of contagious disease so that inspectors would stay away. Then she obtained a pass from the city's sanitation office, whose staff were permitted inside the ghetto to monitor typhus. It let her enter almost daily.

At first the work was relief: food, medicine, clothing and money carried in and distributed to the starving. But by 1942 the situation had changed. That summer, between July and September, the Germans deported more than 250,000 Warsaw Jews to the Treblinka killing center. Relief was no longer enough. The only way to save a child was to get the child out.

The methods were varied and ingenious. Infants were sedated and carried out in toolboxes, sacks, and the false bottoms of ambulances and tram cars. Older children were led through the sewers, through the courthouse on Leszno Street that straddled the ghetto boundary, or through the basements of buildings that backed onto the "Aryan" side. Some walked out with work parties.

The Hardest Conversation

Sendler always said the most difficult part of the work was not the smuggling but the persuading. To take a child, she had to convince parents to hand over their son or daughter to a stranger, with no guarantee of survival for either side and every likelihood that they would never see each other again. Some parents refused. Others asked whether she could promise their child would live. She could not. She could only say that if the child stayed, death was certain.

Once outside, the children were given new names, Catholic prayers to memorize, and forged baptismal certificates. They were placed with Polish foster families, in orphanages run by religious orders, and in institutions such as the Father Boduen children's home. Every placement was a risk to the family that accepted it: in occupied Poland, sheltering a Jew was punishable by death, for the rescuer and often for their household.

Żegota and the Jars

In late 1942 the Polish government-in-exile created Żegota, the Council to Aid Jews — the only state-sponsored organization in occupied Europe devoted specifically to Jewish rescue. Sendler joined under the code name "Jolanta" and in 1943 was put in charge of its children's section. Żegota's funds, channeled from London, allowed the network to pay for food, forged documents and monthly support to foster families.

She insisted on one thing that many rescuers thought too dangerous to attempt: a record. On thin strips of tissue paper she wrote each child's real name, their new identity and their hiding place. The strips were rolled up, packed into glass jars and buried under an apple tree in a friend's garden across the street from a German barracks. Her purpose was simple. If the parents survived, they would be able to find their children. If they did not, the children would at least one day be able to learn who they had been.

Arrest and Escape

On 20 October 1943 the Gestapo came for her. Sendler was taken to the Pawiak prison and interrogated at the Gestapo headquarters on Szucha Avenue, where she was beaten so severely that her legs and feet were broken. She gave up no names and no hiding places. She was sentenced to death.

On the day of her scheduled execution, Żegota bribed a German guard, who released her on the way to the firing squad and left her in the street. She spent the rest of the occupation in hiding under a false identity, and continued her work. During the Warsaw Uprising of August 1944 she served as a nurse in a field hospital.

After the War

When the war ended, Sendler dug up the jars and handed the lists to Adolf Berman, a Żegota leader who later worked with the Central Committee of Polish Jews, so that children could be reunited with any surviving family. Most had none. The great majority of the parents had been murdered at Treblinka.

In communist Poland her wartime association with the London-backed government-in-exile made her suspect. Her story went largely untold for decades. Yad Vashem recognized her as Righteous Among the Nations in 1965, but the Polish authorities did not permit her to travel to Israel to receive the honor until 1983.

Wider recognition came late and from an unexpected direction. In 1999 a group of high-school students in Uniontown, Kansas, researching a class project, wrote a play about her called Life in a Jar. It brought the students to Warsaw to meet her and turned an obscure name into an international one. In 2003 she received Poland's highest civilian honor, the Order of the White Eagle, and in 2007 she was nominated for the Nobel Peace Prize. Irena Sendler died in Warsaw on 12 May 2008 at the age of 98.

What She Asked Us to Remember

Sendler resisted the word "hero" to the end of her life. She pointed out that she had not acted alone; that every child rescued had depended on couriers, nuns, foster mothers and forgers whose names are mostly lost; and that whatever she did was, in her words, not enough.

That refusal matters, because it points to the real lesson of her story. Irena Sendler was not a soldier, a diplomat or a person of wealth and influence. She was a municipal employee with a sanitation pass and a decision to make. The 2,500 children who lived because of that decision — and their children and grandchildren today — are the measure of what one person's choice can be worth.