Dr Johnson calls 6.1.1802
Probably Dr Robert Wallace Johnson born about 1755 died 12.1.1810 and buried 21.1.1810 at Brentford Albany Congregational Church, his will PCC 1810 mentioned dau Elizabeth Wallace Gould widow. His "New System of Midwifery" went through several editions (1769, 1777, 1786) and Joseph Johnson was named as seller on title page. Mary Jane Godwin was pregnant at the time of this call