It was not just that the work was so significant, it was that it came from an unexpected source and indicated that the USA was not the only place producing significant research in this field. Tomonaga's work differed from Schwinger 's by virtue of its clarity and simplicity.
Ito ay hindi lamang na ang trabaho ay kaya makabuluhang, ito na ito ay nagmula sa isang hindi inaasahang source at ipinababatid na ang USA ay hindi lamang ang lugar na paggawa ng makabuluhang pananaliksik sa larangan na ito. Tomonaga ng trabaho differed mula sa Schwinger 's sa pamamagitan ng katangian ng kanyang kalinawan at simple.