2011年2月7日,我国著名心脏病学家、中国心脏电生理学的奠基人孙瑞龙教授在北京辞世。中国心律学界失去了一位谦谦学者、一位无怨无悔献身于中国心脏起搏与电生理事业的伟大先驱(图1)。在中国心脏起搏与电生理学50年的风雨历程中,孙瑞龙教授以其坚韧不拔的风范、谦 On February 7, 2011, Professor Sun Ruilong, the famous cardiologist in China and the founder of Chinese cardiac electrophysiology, died in Beijing. Chinese rhythm academics have lost a modest academic, a pioneer who is dedicated to the pacing and electrophysiology of Chinese heart without regret (Figure 1). In the course of 50 years of pacing and electrophysiology in China, Prof. Sun Ruilong, with his tenacity and style,