Who is the English man that designed the system of 2SLGBTQIA

Who is the English man that designed the system of 2SLGBTQIA.
L + G= Bisexual.
G + B= Transgender
L+G+T= Queer/Questioner
Q+ L.G.T= Intersex/Asexual
Intersex/Asexual+L.G.T= 2S
Intersex/Asexual+2S=Inclusive(+)
End product= Total Madness