According HKFA, in ?? Outside the window / http://ipac.hkfa.lcsd.gov.hk/ipac20/ipa ... 1@!horizon

???, ??. ??. http://ipac.hkfa.lcsd.gov.hk/ipac20/ipa ... 1@!horizon

they are the same person.

Yeung Wai-Hung / (???) http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng
Yeung Wai-Hung (2) / (???(2)) http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng

Can anyone confirm and update?

merged.