Shinji SOGO, who became president of JNR in 1955, called back Hideo SHIMA, who had once been a talented engineer in GNR, but had been in the private sector at the time, to JNR, appointing him to chief engineer.
1955年に日本国有鉄道歴代の国鉄総裁に就任した十河信二は、国鉄出身の卓越した技術者であるが一時民間に在った島秀雄を再度招聘し、国鉄技師長に就任させた。