A bit more feedback, I hope you find it useful...
The relationship between Webu Sayadaw and U Ba Khin wasn't that one of teacher/student but probably more like a mentor.
U Ba Khin cited U Po Thet (Saya Thet Gyi) as his teacher. Webu Sayadaw encouraged (and authorized) U Ba Khin to teach meditation and then visited U Ba Khin and gave talks at IMC in Yangon from the 1950s.
Daw Mya Thwin (Mother Sayamagyi), John Coleman, Robert Hoover and Ruth Dennison were peers, all contemporary students of U Ba Khin. Daw Mya Thwin became the successor of U Ba Khin at IMC. But at that time, at least SN Goenka and John Coleman (perhaps Robert Hoover and Ruth Dennnison) were already authorized by U Ba Khin as assistant teachers. SN Goenka had also been living in India for two years before U Ba Khin's demise in 1971. I don't think any of them, and not just SN Goenka, would consider Daw Mya Thwin as their teacher. I have also heard that John Coleman may have taught at SN Goenka's centre in the early days.
There are over 500 pagodas, the Sitagu University, many monasteries and, of course, the caves at neighbouring Prekhamma Hills.
The lineage should be Ledi Sayadaw -> Monyin Sayadaw -> Mahasi Sayadaw (Burma's Mass Meditation Movement by Ingrid Jordt)
“No lists of things to be done. The day providential to itself. The hour. There is no later. This is later. All things of grace and beauty such that one holds them to one's heart have a common provenance in pain. Their birth in grief and ashes.”
- Cormac McCarthy, The Road
Learn this from the waters:
in mountain clefts and chasms,
loud gush the streamlets,
but great rivers flow silently.
- Sutta Nipata 3.725Compassionate Hands Foundation
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