On February 21 eighty-four years ago, J.H.McCallum, an American pastor that wrote "The Chorus of Nanjing Refugees" to inspire refugees with courage and strength.

After the fall of Nanjing on December 13, 1937, McCallum, the administrative director of Drum Tower Hospital (formerly known as University Hospital of Nanking, founded in 1892 by Canadian missionary Macklin with the support of American churches and the only medical facility in the city that provided comprehensive medical treatment to civilians during the Nanjing Massacre) and Wilson, the surgeon, stayed behind to help the refugees.

Jiang Wei, a Chinese visitor wrote: "The Song of Horsebeans recorded the dark days and brought the courage and strength to the refugees to survive. Now 85 years have passed, and when we eat horsebeans, we will always remember these international friends and thank them for their dedication."